AS25577 C4L-AS - MAINFRAME & CYBERNETIC SYSTEMS LIMITED, GB

AS Number

AS25577

AS Name

C4L-AS

Org Name

MAINFRAME & CYBERNETIC SYSTEMS LIMITED

Country / Region

United Kingdom

Registry

ripe

RegDate

Updated

2018-11-22T15:27:31Z

AS25577 Looking Glass

http://lg.idegroup.com/

IPv4Prefixes

IPv6Prefixes

IPv4 NUMs

50,944

IPv6 NUMs(/64)

4,294,967,296

IPv4 Ranges
IPv6 Ranges

CIDR	Description	IP Num
5.133.184.0/22	BE DC Connect UK Limited	1024
5.133.188.0/23	CNS-VMBOX	512
5.133.191.0/24	MAINFRAME & CYBERNETIC SYSTEMS LIMITED	256
31.3.208.0/24	MAINFRAME & CYBERNETIC SYSTEMS LIMITED	256
31.3.211.0/24	AMICA-NET	256
31.3.212.0/23	Page White Farrer	512
31.3.221.0/24	MAINFRAME & CYBERNETIC SYSTEMS LIMITED	256
31.3.223.0/24	MAINFRAME & CYBERNETIC SYSTEMS LIMITED	256
37.58.24.0/22	MAINFRAME & CYBERNETIC SYSTEMS LIMITED	1024
37.58.29.0/24	MAINFRAME & CYBERNETIC SYSTEMS LIMITED	256
77.73.11.0/24	MAINFRAME & CYBERNETIC SYSTEMS LIMITED	256
77.73.15.0/24	MAINFRAME & CYBERNETIC SYSTEMS LIMITED	256
78.40.56.0/23	MAINFRAME & CYBERNETIC SYSTEMS LIMITED	512
78.40.61.0/24	MAINFRAME & CYBERNETIC SYSTEMS LIMITED	256
81.27.64.0/24	MAINFRAME & CYBERNETIC SYSTEMS LIMITED	256
81.27.66.0/23	MAINFRAME & CYBERNETIC SYSTEMS LIMITED	512
81.27.72.0/23	MAINFRAME & CYBERNETIC SYSTEMS LIMITED	512
81.27.75.0/24	GATHTIDE-NET	256
81.27.76.0/24	BE DC Connect UK Limited	256
81.27.80.0/22	MAINFRAME & CYBERNETIC SYSTEMS LIMITED	1024
81.27.81.0/24	BE DC Connect UK Limited	256
81.27.87.0/24	MAINFRAME & CYBERNETIC SYSTEMS LIMITED	256
81.27.88.0/22	BE DC Connect UK Limited	1024
81.27.88.0/21	BE DC Connect UK Limited	2048
81.27.92.0/24	BE DC Connect UK Limited	256
81.27.92.0/23	BE DC Connect UK Limited	512
81.27.94.0/24	MAINFRAME & CYBERNETIC SYSTEMS LIMITED	256
81.27.95.0/24	Advantage-Business-NET	256
82.197.72.0/24	MAINFRAME & CYBERNETIC SYSTEMS LIMITED	256
84.45.8.0/21	INTERPARCEL-NET	2048
84.45.16.0/20	SEVENDIGITAL	4096
84.45.32.0/19	COMMERCIALNETWORKSERVICES-NET	8192
84.45.64.0/18	BE DC Connect UK Limited	16384
84.45.75.0/24	ROCKTIME-NET	256
85.159.88.0/24	MAINFRAME & CYBERNETIC SYSTEMS LIMITED	256
85.159.90.0/23	MAINFRAME & CYBERNETIC SYSTEMS LIMITED	512
85.159.95.0/24	MAINFRAME & CYBERNETIC SYSTEMS LIMITED	256
109.68.64.0/23	Emailcenter UK Limited	512
109.68.68.0/24	Emailcenter UK Limited	256
109.104.96.0/23	C4LWIFI-NET	512
109.104.98.0/24	BE DC Connect UK Limited	256
109.104.100.0/23	MAINFRAME & CYBERNETIC SYSTEMS LIMITED	512
109.104.105.0/24	MAINFRAME & CYBERNETIC SYSTEMS LIMITED	256
109.104.112.0/24	MAINFRAME & CYBERNETIC SYSTEMS LIMITED	256
109.104.114.0/24	MAINFRAME & CYBERNETIC SYSTEMS LIMITED	256
109.104.116.0/22	MAINFRAME & CYBERNETIC SYSTEMS LIMITED	1024
109.104.120.0/21	VERIUP Bulut Inernet Hizmetleri A.S.	2048
109.104.122.0/23	BE DC Connect UK Limited	512
109.104.124.0/22	EDGETG-PDS-NET	1024
178.251.233.0/24	MAINFRAME & CYBERNETIC SYSTEMS LIMITED	256
178.251.238.0/24	VERIUP Bulut Internet Hizmetleri A.S.	256
178.251.239.0/24	MAINFRAME & CYBERNETIC SYSTEMS LIMITED	256
185.5.88.0/22	Secure Email Hosting Limited	1024
185.132.181.0/24	Proofpoint Limited	256

CIDR	Description	IP NUMs(prefix /64)
2001:9d8::/32	MAINFRAME & CYBERNETIC SYSTEMS LIMITED	4294967296

AS	Description	IPv4 NUMs	IPv6 NUMs	IPv4	IPv6
AS57463	NetIX - NetIX Communications JSC, BG	256	0	IPv4	IPv6
AS3741	NTT-DATA-Inc - Dimension Data, ZA	2,950,912	137,439,084,544	IPv4
AS12779	ITGATE - IT.Gate S.p.A., IT	47,104	42,949,869,568	IPv4
AS22356	Durand do Brasil Ltda, BR	25,856	4,294,967,296	IPv4	IPv6
AS24482	SGGS-AS-AP - SG.GS, SG	20,992	4,294,967,296	IPv4	IPv6
AS37721	Virtual-Technologies-Solutions-SA - Virtual Technologies & Solutions, BF	15,872	8,589,934,592	IPv4	IPv6
AS52075	WIFIRST - Wifirst S.A.S., FR	132,352	34,359,738,368	IPv4	IPv6
AS14537	CL-1379-14537 - Continent 8 LLC, US	65,536	12,884,901,888	IPv4
AS1031	PEER1-1031 - PEER 1031 LLC, US	256	4,294,967,299	IPv4
AS8426	CLARANET-AS - Claranet Limited, GB	904,192	182,536,306,688	IPv4	IPv6
AS137409	GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU	140,800	77,423,378,434	IPv4
AS1239	COGENT-1239 - Cogent Communications, LLC, US	0	210,729,631,744	IPv4
AS12552	GlobalConnect-AS12552 - GlobalConnect AB, SE	564,992	210,454,380,544	IPv4
AS25091	IP-Max - IP-Max SA, CH	15,104	68,719,607,808	IPv4
AS61568	ALOO TELECOM - FSF TECNOLOGIA SA, BR	12,544	4,295,032,832	IPv4
AS34177	CELESTE-AS - Celeste SAS, FR	229,376	98,784,247,808	IPv4
AS41327	FIBERTELECOM-AS - Fiber Telecom S.p.A., IT	7,168	68,719,476,736	IPv4	IPv6
AS58511	ANYCAST-GLOBAL-BACKBONE - Anycast Holdings Pty Ltd, AU	22,528	8,589,934,592	IPv4	IPv6
AS61049	EXASCALE - Exascale Ltd, GB	5,120	21,474,836,480	IPv4
AS61573	IP TELECOM, BR	1,024	4,294,967,296	IPv4
AS3257	GTT-BACKBONE - GTT Communications Inc., US	8,552,448	442,382,745,600	IPv4	IPv6
AS4637	ASN-TELSTRA-GLOBAL - Telstra International Limited, HK	1,145,344	21,474,836,480	IPv4	IPv6
AS37100	SEACOM-AS - SEACOM Limited, MU	1,072,896	12,884,901,888	IPv4
AS49544	i3Dnet - i3D.net B.V, NL	116,992	356,753,080,320	IPv4	IPv6
AS60602	INOVARE-AS - Inovare-Prim SRL, MD	3,584	4,294,967,296	IPv4	IPv6
AS8218	NEO-ASN - Zayo Infrastructure France SA, FR	47,104	12,884,967,424	IPv4
AS9930	TTNET-MY - TT DOTCOM SDN BHD, MY	741,888	4,295,098,368	IPv4
AS5405	INTERDOTLINK - Inter.link GmbH, DE	3,072	34,359,738,368	IPv4
AS18106	VIEWQWEST-SG-AP - Viewqwest Pte Ltd, SG	53,248	13,153,337,344	IPv4
AS29075	IELO - IELO-LIAZO SERVICES SAS, FR	31,232	107,374,247,936	IPv4
AS37468	ANGOLA-CABLES - Angola Cables, AO	9,472	42,949,672,960	IPv4
AS999	CORIX-999 - CORIX NETWORKS, US	70,144	4,295,032,834	IPv4
AS9009	M247 - M247 Europe SRL, RO	1,569,536	257,769,079,040	IPv4
AS29169	GANDI-AS - GANDI SAS, FR	31,744	4,294,967,296	IPv4
AS35280	F5 - F5 Networks SARL, FR	55,808	81,604,378,624	IPv4
AS174	COGENT-174 - Cogent Communications, LLC, US	36,233,472	215,834,689,537	IPv4
AS1267	ASN-WINDTRE - WIND TRE S.P.A., IT	7,402,752	2,233,382,993,920	IPv4
AS3223	VOXILITY - Voxility LLP, GB	70,656	18,612,224	IPv4
AS6667	EUNET-FINLAND - Elisa Oyj, FI	2,560	4,294,967,296	IPv4
AS9498	BBIL-AP - Bharti Airtel Limited, IN	2,296,576	4,299,358,208	IPv4
AS13237	LAMBDANET-AS - euNetworks GmbH, DE	570,112	107,374,182,400	IPv4
AS13030	INIT7 - Init7 (Switzerland) Ltd., CH	117,248	107,395,481,600	IPv4
AS6204	ZET-NET - INTERKVM HOST SRL, RO	3,840	268,500,999	IPv4
AS6939	HURRICANE - Hurricane Electric LLC, US	458,496	283,043,982,606,336	IPv4	IPv6
AS14840	BR.Digital Telecom, BR	72,960	14,010,613,760	IPv4	IPv6
AS16347	INHERENT - ADISTA SAS, FR	250,880	390,842,023,936	IPv4
AS33891	CORE-BACKBONE - Core-Backbone GmbH, DE	0	0	IPv4
AS205434	Elasticity - BE SLOUGH DC UK LIMITED, GB	7,936	0	IPv4
AS3303	SWISSCOM - Swisscom (Schweiz) AG, CH	3,517,440	204,347,408,384	IPv4
AS7195	EDGEUNO S.A.S, CO	32,000	4,274,061,312	IPv4	IPv6
AS7575	AARNET-AS-AP - Australian Academic and Research Network, AU	1,154,816	90,194,444,288	IPv4	IPv6
AS48362	TKSWF-AS - Stadtwerke Feldkirch, AT	7,936	4,294,967,296	IPv4
AS30844	LIQUID-AS - Liquid Telecommunications Ltd, GB	387,840	38,654,705,664	IPv4
AS37497	Network-Platforms - Network Platforms (PTY) LTD, ZA	6,400	4,294,967,296	IPv4
AS39120	CONVERGENZE-AS - Convergenze S.p.A., IT	42,496	17,179,869,184	IPv4
AS39351	ESAB-AS - 31173 Services AB, SE	14,592	12,886,081,536	IPv4
AS53062	GGNET TELECOMUNICACOES LTDA, BR	28,416	4,848,746,496	IPv4

AS	Description	IPv4 NUMs	IPv6 NUMs	IPv4	IPv6
AS203035	xc360 - Xara Computers (UK) Ltd, GB	768	0	IPv4
AS205434	Elasticity - BE SLOUGH DC UK LIMITED, GB	7,936	0	IPv4
AS31708	COREIX-UK-AS - Coreix Ltd, GB	32,000	38,654,705,664	IPv4	IPv6
AS49485	HAHOSTING - High Availability Hosting Limited, GB	4,352	4,294,967,296	IPv4	IPv6
AS206626	PSDGroup-AS - Professional Software Design Ltd, GB	1,536	0	IPv4
AS207162	l3climited-as - L3C Limited, GB	1,024	0	IPv4
AS44934	ARACHSYS - Arachsys Internet Services Ltd, GB	1,536	4,295,032,832	IPv4	IPv6
AS50882	MAXNETT - Maxnett Ltd., GB	1,024	0	IPv4
AS51572	CERULEAN - Cerulean Solutions Limited, GB	2,048	0	IPv4
AS59493	MIMIC - Cudo Ventures Ltd, GB	2,048	12,884,901,888	IPv4	IPv6

Peers at this Exchange Point

IX	IPv4	IPv6	Port Speed	Updated
LINX LON1 - London Internet Exchange Ltd.	195.66.224.201	2001:7f8:4::63e9:1	20 Gbps	2022-04-27 20:56:23
LINX LON2 - London Internet Exchange Ltd.	195.66.236.201	2001:7f8:4:1::63e9:1	10 Gbps	2016-03-14 20:46:49
LONAP - London Access Point	5.57.80.217	2001:7f8:17::63e9:1	10 Gbps	2026-03-25 23:37:40

Private Peering Facilities

Name	City	Website	Updated
Telehouse - London (Docklands North)	London	http://www.telehouse.net	2016-03-14 21:58:38
Telehouse - London (Docklands East)	London	http://www.telehouse.net	2016-03-14 21:22:07
Digital Realty London LHR21 (closed)	London	https://www.digitalrealty.com/data-centers/london/sovereign-north-215-marsh-wall	2016-03-14 21:31:05
Equinix LD8 - London, Docklands	London	http://www.equinix.com/locations/	2016-03-14 21:22:06
Digital Realty London LHR20	London	https://www.interxion.com/	2016-03-14 21:35:34
Digital Realty London LHR19	London	https://www.interxion.com/	2016-03-14 21:35:34
Equinix MA1 - Manchester, Williams/Kilburn	Manchester	https://www.equinix.com/locations/united-kingdom-colocation/manchester-data-centers/ma1/	2016-03-14 21:35:34
Digital Realty London LON1-3	London	https://www.digitalrealty.com/data-centers/london/11-hanbury-st-london-united-kingdom	2016-03-14 21:35:34
Global Switch London East	London	http://www.globalswitch.com	2016-03-14 21:35:34
Redcentric London Data Centre	London	https://www.redcentricplc.com/uk-data-centres/london-data-centre/	2016-03-14 20:57:55
Pulsant Maidenhead SE-2	Maidenhead	https://www.pulsant.com/	2016-03-14 20:57:55
Global Switch London North	London	http://www.globalswitch.com	2016-03-14 21:12:02
Pulsant Milton Keynes SE-1	Milton Keynes	http://www.pulsant.com	2016-03-11 07:21:10
QiComm Tutis Point	London	https://www.docklands-dc.com/	2018-06-01 19:42:52
Equinix LD5 - London, Slough	Slough	http://www.equinix.com	2017-03-15 11:51:14
Equinix LD3 - London, Park Royal	London	http://www.equinix.com	2017-03-15 11:51:41
Equinix LD9 - London, Powergate	London	http://www.equinix.com/locations/	2017-03-15 11:52:09
Bournemouth Data Centre	Bournemouth	http://www.bournemouthdatacentre.co.uk/	2017-03-15 11:54:10
VIRTUS LONDON4 (Slough)	Slough	http://2.virtusdatacentres.com/LONDON-4	2017-03-15 11:54:26
VIRTUS LONDON1 (Enfield)	London	http://www.virtusdatacentres.com	2017-10-23 13:56:39
Verne London	London	https://www.verneglobal.com/united-kingdom	2017-10-23 13:56:51
VIRTUS LONDON2 (Hayes)	Hayes	http://2.virtusdatacentres.com/LONDON-2	2017-10-23 13:57:21
Options IT - Park Royal Datacenter (PRDC)	London	http://www.options-it.com/	2017-10-23 14:01:34
Equinix LD4 - London, Slough	Slough	http://www.equinix.com/	2023-05-16 08:19:24
Pulsant Croydon LN-1	Croydon	https://pulsant.com	2023-05-16 08:20:21

Whois Record

as-block AS25577 - AS25599

as-block	AS25577 - AS25599
descr	RIPE NCC ASN block
remarks	These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by	RIPE-NCC-HM-MNT
created	2018-11-22T15:27:31Z
last-modified	2018-11-22T15:27:31Z
source	RIPE

aut-num AS25577

aut-num	AS25577
as-name	C4L-AS
org	ORG-MCSL9-RIPE
remarks	* Transit Customers * Hosting Systems UK Private Peering UK Dedicated Transit Thinkgrid Transversal Noomobile EurISP Orbis Telecom Contactual DigiMedia Upstream Internet Selection Services Ltd Thermeon BGP One Connect Interfax Communications WebAge Limited Accesspoint Technologies ******************************** * Transit Suppliers * ****************************** NTT TINET Seabone ****************************** * LINX/LONAP & Private Peers * ****************************** ****************************** * Full Transit Customers * ********************************
import	from AS33967 accept AS33967 from AS49485 accept AS49485 from AS59493 accept AS59493 from AS40513 accept AS40513 from AS206132 accept AS206132 from AS198864 accept AS198864 from AS35670 accept AS35670 from AS41415 accept AS41415 from AS206626 accept AS-PSDGroup from AS202901 accept AS202901 from AS207162 accept AS207162 from AS199373 accept AS199373 from AS49898 accept AS49898 from AS60670 accept AS60670 from AS203315 accept AS203315 from AS203035 accept AS203035 from AS51545 accept AS51545 from AS62240 accept AS-CLOUVIDER from AS203897 accept AS203897 from AS49823 accept AS49823 from AS201902 accept AS201902 from AS34499 accept AS34499 from AS50882 accept AS50882 from AS39846 accept AS39846 from AS59870 accept AS59870 from AS198080 accept AS198080 from AS29697 accept AS-CNS from AS201862 accept AS201862 from AS33446 accept AS33446 from AS60793 accept AS60793 from AS60253 accept AS60253 from AS15988 accept AS15988 from AS60969 accept AS60969 from AS61373 accept AS61373 from AS41477 accept AS41477 from AS57907 accept AS57907 from AS57937 accept AS57937 from AS25501 accept AS25501 from AS24851 accept AS24851 from AS56990 accept AS56990 from AS9163 accept AS9163 from AS47351 accept AS47351 from AS31273 accept AS31273 from AS42077 accept AS42077 from AS51823 accept AS51823 from AS41693 accept AS41693 from AS51198 accept AS51198 from AS24594 accept AS24594 from AS20952 accept AS20952 from AS12433 accept AS12433 from AS39925 accept AS39925 from AS50023 accept AS50023 from AS39592 accept AS39592 from AS41246 accept AS41246 from AS48620 accept AS48620 from AS34660 accept AS34660 from AS12870 accept AS12870 from AS47571 accept AS47571 from AS44801 accept AS-DTNET from AS39674 accept AS39674 from AS30967 accept AS30967 from AS20807 accept AS20807 from AS31196 accept AS31196 from AS34270 accept AS-INETC from AS34539 accept AS34539 from AS34442 accept AS-XIFOS from AS35591 accept AS-PROVIDERONE from AS34446 accept AS-LVDX from AS35037 accept AS-SKYCO from AS35799 accept AS-KNOWNFUTURE from AS28757 accept AS28757 from AS29297 accept AS29297 from AS29006 accept AS-POBOX from AS25134 accept AS25134 from AS35575 accept AS-VAIONI from AS34334 accept AS-ARETI from AS43551 accept AS43551 from AS24842 accept AS-DHMS from AS16552 accept AS16552 from AS47778 accept AS47778 from AS34282 accept AS34282 from AS48231 accept AS48231 from AS47999 accept AS47999 from AS47546 accept AS47546 from AS34811 accept AS34811 from AS43935 accept AS43935 from AS44965 accept AS44965 from AS36983 accept AS36983 from AS41255 accept AS41255 from AS49503 accept AS-SELECTION from AS43664 accept AS43664 from AS59581 accept AS59581 from AS41866 accept AS41866 from AS34243 accept AS-WEBAGE from AS60103 accept AS-ACCESSPT from AS2914 accept ANY from AS3257 accept ANY from AS6762 accept ANY from AS-C4LPeers accept PeerAS from AS-C4L accept PeerAS
export	to AS33967 announce AS-C4L to AS49485 announce AS-C4L to AS59493 announce AS-C4L to AS40513 announce AS-C4L to AS206132 announce AS-C4L to AS198864 announce AS-C4L to AS35670 announce AS-C4L to AS41415 announce AS-C4L to AS206626 announce AS-C4L to AS202901 announce AS-C4L to AS207162 announce AS-C4L to AS199373 announce AS-C4L to AS49898 announce AS-C4L to AS60670 announce AS-C4L to AS203315 announce AS-C4L to AS203035 announce AS-C4L to AS51545 announce AS-C4L to AS62240 announce AS-C4L to AS203897 announce AS-C4L to AS49823 announce AS-C4L to AS201902 announce AS-C4L to AS34499 announce AS-C4L to AS50882 announce AS-C4L to AS39846 announce AS-C4L to AS59870 announce AS-C4L to AS198080 announce AS-C4L to AS29697 announce AS-C4L to AS201862 announce AS-C4L to AS33446 announce AS-C4L to AS60793 announce AS-C4L to AS60253 announce AS-C4L to AS15988 announce AS-C4L to AS60969 announce AS-C4L to AS61373 announce AS-C4L to AS41477 announce AS-C4L to AS57907 announce AS-C4L to AS57937 announce AS-C4L to AS25501 announce AS-C4L to AS24851 announce AS-C4L to AS56990 announce AS-C4L to AS9163 announce AS-C4L to AS47351 announce AS-C4L to AS31273 announce AS-C4L to AS42077 announce AS-C4L to AS51823 announce AS-C4L to AS4169 announce AS-C4L to AS51198 announce AS-C4L to AS24594 announce AS-C4L to AS20952 announce AS-C4L to AS12433 announce AS-C4L to AS39925 announce AS-C4LPeers to AS50023 announce AS-C4L to AS39592 announce AS-C4L to AS41246 announce AS-C4L to AS4862 announce AS-C4L to AS34660 announce ANY to AS12870 announce ANY to AS47571 announce ANY to AS44801 announce ANY to AS39674 announce ANY to AS30967 announce ANY to AS20807 announce ANY to AS31196 announce ANY to AS34270 announce ANY to AS34539 announce ANY to AS34442 announce ANY to AS35591 announce ANY to AS34446 announce ANY to AS35037 announce ANY to AS35799 announce ANY to AS28757 announce ANY to AS29297 announce ANY to AS29006 announce ANY to AS25134 announce ANY to AS35575 announce ANY to AS34334 announce ANY to AS43551 announce ANY to AS24842 announce ANY to AS16552 announce ANY to AS47778 announce ANY to AS34282 announce ANY to AS48231 announce ANY to AS47999 announce ANY to AS47546 announce ANY to AS34811 announce ANY to AS43935 announce ANY to AS44965 announce ANY to AS36983 announce ANY to AS41255 announce ANY to AS49503 announce ANY to AS43664 announce ANY to AS59581 announce AS-C4L to AS41866 announce AS-C4L to AS34243 announce ANY to AS60103 announce AS-C4L to AS2914 announce AS-C4L to AS3257 announce AS-C4L to AS6762 announce AS-C4L to AS-C4LPeers announce AS-C4L to AS-C4L announce ANY
admin-c	AA46272-RIPE
tech-c	AA46272-RIPE
status	ASSIGNED
mnt-by	RIPE-NCC-END-MNT lir-uk-frame-1-MNT
created	2003-01-15T11:46:06Z
last-modified	2026-03-03T11:00:16Z
source	RIPE

organisation ORG-MCSL9-RIPE

organisation	ORG-MCSL9-RIPE
org-name	MAINFRAME & CYBERNETIC SYSTEMS LIMITED
country	GB
reg-nr	15401560
org-type	LIR
address	New Broad Street House, 35 New Broad Street EC2M 1NH London UNITED KINGDOM
phone	+442045830986
e-mail	[email protected]
admin-c	AA46272-RIPE
tech-c	AA46272-RIPE
abuse-c	AR79596-RIPE
mnt-ref	lir-uk-frame-1-MNT
mnt-by	RIPE-NCC-HM-MNT lir-uk-frame-1-MNT
created	2026-02-12T08:10:24Z
last-modified	2026-05-13T07:17:40Z
source	RIPE

role Admin

role	Admin
address	UNITED KINGDOM London EC2M 1NH New Broad Street House, 35 New Broad Street
phone	+442045830986
e-mail	[email protected]
nic-hdl	AA46272-RIPE
mnt-by	lir-uk-frame-1-MNT
created	2026-02-12T08:10:24Z
last-modified	2026-02-12T08:10:24Z
source	RIPE

Raw whois response

as-block:       AS25577 - AS25599
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2018-11-22T15:27:31Z
last-modified:  2018-11-22T15:27:31Z
source:         RIPE



aut-num:        AS25577
as-name:        C4L-AS
org:            ORG-MCSL9-RIPE
remarks:        ***
remarks:        Transit Customers
remarks:        ***
import:         from AS33967 accept AS33967
export:         to AS33967 announce AS-C4L
import:         from AS49485 accept AS49485
export:         to AS49485 announce AS-C4L
import:         from AS59493 accept AS59493
export:         to AS59493 announce AS-C4L
import:         from AS40513 accept AS40513
export:         to AS40513 announce AS-C4L
import:         from AS206132 accept AS206132
export:         to AS206132 announce AS-C4L
import:         from AS198864 accept AS198864
export:         to AS198864 announce AS-C4L
import:         from AS35670 accept AS35670
export:         to AS35670 announce AS-C4L
import:         from AS41415 accept AS41415
export:         to AS41415 announce AS-C4L
import:         from AS206626 accept AS-PSDGroup
export:         to AS206626 announce AS-C4L
import:         from AS202901 accept AS202901
export:         to AS202901 announce AS-C4L
import:         from AS207162 accept AS207162
export:         to AS207162 announce AS-C4L
import:         from AS199373 accept AS199373
export:         to AS199373 announce AS-C4L
import:         from AS49898 accept AS49898
export:         to AS49898 announce AS-C4L
import:         from AS60670 accept AS60670
export:         to AS60670 announce AS-C4L
import:         from AS203315 accept AS203315
export:         to AS203315 announce AS-C4L
import:         from AS203035 accept AS203035
export:         to AS203035 announce AS-C4L
import:         from AS51545 accept AS51545
export:         to AS51545 announce AS-C4L
import:         from AS62240 accept AS-CLOUVIDER
import:         from AS203897 accept AS203897
export:         to AS62240 announce AS-C4L
export:         to AS203897 announce AS-C4L
import:         from AS49823 accept AS49823
export:         to AS49823 announce AS-C4L
import:         from AS201902 accept AS201902
export:         to AS201902 announce AS-C4L
import:         from AS34499 accept AS34499
export:         to AS34499 announce AS-C4L
import:         from AS50882 accept AS50882
export:         to AS50882 announce AS-C4L
import:         from AS39846 accept AS39846
export:         to AS39846 announce AS-C4L
import:         from AS59870 accept AS59870
export:         to AS59870 announce AS-C4L
import:         from AS198080 accept AS198080
export:         to AS198080 announce AS-C4L
import:         from AS29697 accept AS-CNS
export:         to AS29697 announce AS-C4L
import:         from AS201862 accept AS201862
export:         to AS201862 announce AS-C4L
import:         from AS33446 accept AS33446
export:         to AS33446 announce AS-C4L
import:         from AS60793 accept AS60793
export:         to AS60793 announce AS-C4L
import:         from AS60253 accept AS60253
export:         to AS60253 announce AS-C4L
import:         from AS15988 accept AS15988
export:         to AS15988 announce AS-C4L
import:         from AS60969 accept AS60969
export:         to AS60969 announce AS-C4L
import:         from AS61373 accept AS61373
export:         to AS61373 announce AS-C4L
import:         from AS41477 accept AS41477
export:         to AS41477 announce AS-C4L
import:         from AS57907 accept AS57907
export:         to AS57907 announce AS-C4L
import:         from AS57937 accept AS57937
export:         to AS57937 announce AS-C4L
import:         from AS25501 accept AS25501
export:         to AS25501 announce AS-C4L
import:         from AS24851 accept AS24851
export:         to AS24851 announce AS-C4L
import:         from AS56990 accept AS56990
export:         to AS56990 announce AS-C4L
import:         from AS9163 accept AS9163
export:         to AS9163 announce AS-C4L
import:         from AS47351 accept AS47351
export:         to AS47351 announce AS-C4L
import:         from AS31273 accept AS31273
export:         to AS31273 announce AS-C4L
import:         from AS42077 accept AS42077
export:         to AS42077 announce AS-C4L
import:         from AS51823 accept AS51823
export:         to AS51823 announce AS-C4L
import:         from AS41693 accept AS41693
export:         to AS4169 announce AS-C4L
import:         from AS51198 accept AS51198
export:         to AS51198 announce AS-C4L
import:         from AS24594 accept AS24594
export:         to AS24594 announce AS-C4L
import:         from AS20952 accept AS20952
export:         to AS20952 announce AS-C4L
import:         from AS12433 accept AS12433
export:         to AS12433 announce AS-C4L
import:         from AS39925 accept AS39925
export:         to AS39925 announce AS-C4LPeers
import:         from AS50023 accept AS50023
export:         to AS50023 announce AS-C4L
import:         from AS39592 accept AS39592
export:         to AS39592 announce AS-C4L
import:         from AS41246 accept AS41246
export:         to AS41246 announce AS-C4L
import:         from AS48620 accept AS48620
export:         to AS4862 announce AS-C4L
import:         from AS34660 accept AS34660
export:         to AS34660 announce ANY
import:         from AS12870 accept AS12870
export:         to AS12870 announce ANY
import:         from AS47571 accept AS47571
export:         to AS47571 announce ANY
import:         from AS44801 accept AS-DTNET
export:         to AS44801 announce ANY
import:         from AS39674 accept AS39674
export:         to AS39674 announce ANY
import:         from AS30967 accept AS30967
export:         to AS30967 announce ANY
import:         from AS20807 accept AS20807
export:         to AS20807 announce ANY
import:         from AS31196 accept AS31196
export:         to AS31196 announce ANY
import:         from AS34270 accept AS-INETC
export:         to AS34270 announce ANY
import:         from AS34539 accept AS34539
export:         to AS34539 announce ANY
import:         from AS34442 accept AS-XIFOS
export:         to AS34442 announce ANY
import:         from AS35591 accept AS-PROVIDERONE
export:         to AS35591 announce ANY
import:         from AS34446 accept AS-LVDX
export:         to AS34446 announce ANY
import:         from AS35037 accept AS-SKYCO
export:         to AS35037 announce ANY
import:         from AS35799 accept AS-KNOWNFUTURE
export:         to AS35799 announce ANY
import:         from AS28757 accept AS28757
export:         to AS28757 announce ANY
import:         from AS29297 accept AS29297
export:         to AS29297 announce ANY
import:         from AS29006 accept AS-POBOX
export:         to AS29006 announce ANY
import:         from AS25134 accept AS25134
export:         to AS25134 announce ANY
import:         from AS35575 accept AS-VAIONI
export:         to AS35575 announce ANY
import:         from AS34334 accept AS-ARETI
export:         to AS34334 announce ANY
import:         from AS43551 accept AS43551
export:         to AS43551 announce ANY
import:         from AS24842 accept AS-DHMS
export:         to AS24842 announce ANY
import:         from AS16552 accept AS16552
export:         to AS16552 announce ANY
import:         from AS47778 accept AS47778
export:         to AS47778 announce ANY
remarks:        Hosting Systems UK Private Peering
import:         from AS34282 accept AS34282
export:         to AS34282 announce ANY
remarks:        UK Dedicated Transit
import:         from AS48231 accept AS48231
export:         to AS48231 announce ANY
remarks:        Thinkgrid
remarks:        Transversal
import:         from AS47999 accept AS47999
export:         to AS47999 announce ANY
remarks:        Noomobile
import:         from AS47546 accept AS47546
export:         to AS47546 announce ANY
remarks:        EurISP
import:         from AS34811 accept AS34811
export:         to AS34811 announce ANY
remarks:        Orbis Telecom
import:         from AS43935 accept AS43935
export:         to AS43935 announce ANY
remarks:        Contactual
import:         from AS44965 accept AS44965
export:         to AS44965 announce ANY
remarks:        DigiMedia
import:         from AS36983 accept AS36983
export:         to AS36983 announce ANY
remarks:        Upstream Internet
import:         from AS41255 accept AS41255
export:         to AS41255 announce ANY
remarks:        Selection Services Ltd
import:         from AS49503 accept AS-SELECTION
export:         to AS49503 announce ANY
remarks:        Thermeon BGP
import:         from AS43664 accept AS43664
export:         to AS43664 announce ANY
remarks:        One Connect
import:         from AS59581 accept AS59581
export:         to AS59581 announce AS-C4L
remarks:        Interfax Communications
import:         from AS41866 accept AS41866
export:         to AS41866 announce AS-C4L
remarks:        WebAge Limited
import:         from AS34243 accept AS-WEBAGE
export:         to AS34243 announce ANY
remarks:        Accesspoint Technologies
import:         from AS60103 accept AS-ACCESSPT
export:         to AS60103 announce AS-C4L
remarks:        **********************************
remarks:        *** Transit Suppliers ***
remarks:        **********************************
remarks:        NTT
import:         from AS2914 accept ANY
export:         to AS2914 announce AS-C4L
remarks:        TINET
import:         from AS3257 accept ANY
export:         to AS3257 announce AS-C4L
remarks:        Seabone
import:         from AS6762 accept ANY
export:         to AS6762 announce AS-C4L
remarks:        **********************************
remarks:        *** LINX/LONAP & Private Peers ***
remarks:        **********************************
import:         from AS-C4LPeers accept PeerAS
export:         to AS-C4LPeers announce AS-C4L
remarks:        **********************************
remarks:        *** Full Transit Customers ***
remarks:        **********************************
import:         from AS-C4L accept PeerAS
export:         to AS-C4L announce ANY
admin-c:        AA46272-RIPE
tech-c:         AA46272-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         lir-uk-frame-1-MNT
created:        2003-01-15T11:46:06Z
last-modified:  2026-03-03T11:00:16Z
source:         RIPE

organisation:   ORG-MCSL9-RIPE
org-name:       MAINFRAME & CYBERNETIC SYSTEMS LIMITED
country:        GB
reg-nr:         15401560
org-type:       LIR
address:        New Broad Street House, 35 New Broad Street
address:        EC2M 1NH
address:        London
address:        UNITED KINGDOM
phone:          +442045830986
e-mail:         [email protected]
admin-c:        AA46272-RIPE
tech-c:         AA46272-RIPE
abuse-c:        AR79596-RIPE
mnt-ref:        lir-uk-frame-1-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         lir-uk-frame-1-MNT
created:        2026-02-12T08:10:24Z
last-modified:  2026-05-13T07:17:40Z
source:         RIPE

role:           Admin
address:        UNITED KINGDOM
address:        London
address:        EC2M 1NH
address:        New Broad Street House, 35 New Broad Street
phone:          +442045830986
e-mail:         [email protected]
nic-hdl:        AA46272-RIPE
mnt-by:         lir-uk-frame-1-MNT
created:        2026-02-12T08:10:24Z
last-modified:  2026-02-12T08:10:24Z
source:         RIPE

AS25577 - C4L-AS - MAINFRAME & CYBERNETIC SYSTEMS LIMITED, GB

AS25577

C4L-AS

MAINFRAME & CYBERNETIC SYSTEMS LIMITED

United Kingdom

http://lg.idegroup.com/

Peers at this Exchange Point

Private Peering Facilities

Whois Record

as-block AS25577 - AS25599

aut-num AS25577

organisation ORG-MCSL9-RIPE

role Admin