AS41230 - ASK4 - ASK4 Limited, GB

United Kingdom Germany Ireland Poland Netherlands Italy Austria Portugal Sweden Denmark France
AS Number
AS41230
AS Name
ASK4
Org Name
ASK4 Limited
Country / Region
United Kingdom
Registry

ripe

RegDate

Updated

2024-07-22T14:14:32Z

AS41230 Looking Glass
IPv4Prefixes

16

IPv6Prefixes

7

IPv4 NUMs

88,320

IPv6 NUMs(/64)

240,518,168,576

CIDR Description IP Num
31.205.0.0/16
IRR InValid
ASK4 Limited 65536
31.205.64.0/18
IRR Valid
ASK4-CUSTOMERS 16384
31.205.192.0/18
IRR Valid
ASK4 Limited 16384
45.81.120.0/22
IRR Valid
ASK4 Limited 1024
45.154.248.0/22
IRR Valid
ASK4 Limited 1024
78.109.176.0/20
IRR Valid
ASK4 Limited 4096
81.23.48.0/20
IRR Valid
ASK4 Limited 4096
176.119.145.0/24
IRR Valid
ASK4 Limited 256
185.134.128.0/22
IRR Valid
ASK4 Limited 1024
185.134.136.0/23
IRR Valid
UK-ASK4DE 512
185.134.136.0/22
IRR InValid
ASK4 Limited 1024
185.134.138.0/24
IRR Valid
ASK4 Limited 256
185.134.139.0/24
IRR Valid
A4G-ROUTING-GATEWAYS 256
185.134.144.0/22
IRR Valid
ASK4 Limited 1024
185.198.228.0/22
IRR Valid
ASK4 Limited 1024
213.143.0.0/19
IRR Valid
ASK4 Limited 8192
CIDR Description IP NUMs(prefix /64)
2a00:1a10::/29
IRR Valid
ASK4 Limited 34359738368
2a07:c300::/29
IRR Valid
ASK4 Limited 34359738368
2a0e:2a40::/29
ASK4 Limited 34359738368
2a0e:2ac0::/29
ASK4 Limited 34359738368
2a0e:5680::/29
IRR Valid
ASK4 Limited 34359738368
2a0f:dd00::/29
ASK4 Limited 34359738368
2a10:d00::/29
ASK4 Limited 34359738368
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS22356 Durand do Brasil Ltda, BR Brazil 25,856 4,294,967,296 IPv4 IPv4
AS37721 Virtual-Technologies-Solutions-SA - Virtual Technologies & Solutions, BF Burkina Faso 15,872 8,589,934,592 IPv4 IPv4
AS58511 ANYCAST-GLOBAL-BACKBONE - Anycast Holdings Pty Ltd, AU Australia 22,528 8,589,934,592 IPv4 IPv4
AS3741 NTT-DATA-Inc - Dimension Data, ZA South Africa 2,950,912 137,439,084,544 IPv4 IPv4
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1,751,552 51,808,436,224 IPv4 IPv4
AS8426 CLARANET-AS - Claranet Limited, GB United Kingdom 904,192 182,536,306,688 IPv4 IPv4
AS9009 M247 - M247 Europe SRL, RO Romania 1,569,536 257,769,079,040 IPv4 IPv4
AS25091 IP-Max - IP-Max SA, CH Switzerland 15,104 68,719,607,808 IPv4 IPv4
AS30844 LIQUID-AS - Liquid Telecommunications Ltd, GB United Kingdom 387,840 38,654,705,664 IPv4 IPv4
AS34177 CELESTE-AS - Celeste SAS, FR France 229,376 98,784,247,808 IPv4 IPv4
AS35280 F5 - F5 Networks SARL, FR France 55,808 81,604,378,624 IPv4 IPv4
AS1267 ASN-WINDTRE - WIND TRE S.P.A., IT Italy 7,402,752 2,233,382,993,920 IPv4 IPv4
AS13030 INIT7 - Init7 (Switzerland) Ltd., CH Switzerland 117,248 107,395,481,600 IPv4 IPv4
AS18106 VIEWQWEST-SG-AP - Viewqwest Pte Ltd, SG Singapore 53,248 13,153,337,344 IPv4 IPv4
AS33891 CORE-BACKBONE - Core-Backbone GmbH, DE Germany 0 0 IPv4 IPv4 IPv6 IPv6
AS37100 SEACOM-AS - SEACOM Limited, MU Mauritius 1,072,896 12,884,901,888 IPv4 IPv4 IPv6 IPv6
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 9,472 42,949,672,960 IPv4 IPv4
AS60068 CDN77 - Datacamp Limited, GB United Kingdom 128,000 1,258,553,344 IPv4 IPv4 IPv6 IPv6
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 140,800 77,423,378,434 IPv4 IPv4 IPv6 IPv6
AS4455 BSO - IX Reach Ltd, GB United Kingdom 64,256 12,884,967,424 IPv4 IPv4
AS14537 CL-1379-14537 - Continent 8 LLC, US United States 65,536 12,884,901,888 IPv4 IPv4
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 116,992 356,753,080,320 IPv4 IPv4 IPv6 IPv6
AS57463 NetIX - NetIX Communications JSC, BG Bulgaria 256 0 IPv4 IPv4 IPv6 IPv6
AS12552 GlobalConnect-AS12552 - GlobalConnect AB, SE Sweden 564,992 210,454,380,544 IPv4 IPv4
AS12779 ITGATE - IT.Gate S.p.A., IT Italy 47,104 42,949,869,568 IPv4 IPv4
AS16347 INHERENT - ADISTA SAS, FR France 250,880 390,842,023,936 IPv4 IPv4
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS37497 Network-Platforms - Network Platforms (PTY) LTD, ZA South Africa 6,400 4,294,967,296 IPv4 IPv4
AS39351 ESAB-AS - 31173 Services AB, SE Sweden 14,592 12,886,081,536 IPv4 IPv4 IPv6 IPv6
AS48362 TKSWF-AS - Stadtwerke Feldkirch, AT Austria 7,936 4,294,967,296 IPv4 IPv4
AS60602 INOVARE-AS - Inovare-Prim SRL, MD Moldova 3,584 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS3303 SWISSCOM - Swisscom (Schweiz) AG, CH Switzerland 3,517,440 204,347,408,384 IPv4 IPv4
AS6204 ZET-NET - INTERKVM HOST SRL, RO Romania 3,840 268,500,999 IPv4 IPv4
AS14840 BR.Digital Telecom, BR Brazil 72,960 14,010,613,760 IPv4 IPv4 IPv6 IPv6
AS61573 IP TELECOM, BR Brazil 1,024 4,294,967,296 IPv4 IPv4
AS999 CORIX-999 - CORIX NETWORKS, US United States 70,144 4,295,032,834 IPv4 IPv4
AS1031 PEER1-1031 - PEER 1031 LLC, US United States 256 4,294,967,299 IPv4 IPv4
AS2914 NTT-DATA-2914 - NTT America, Inc., US United States 6,499,584 30,065,033,216 IPv4 IPv4 IPv6 IPv6
AS4637 ASN-TELSTRA-GLOBAL - Telstra International Limited, HK Hong Kong 1,145,344 21,474,836,480 IPv4 IPv4
AS8218 NEO-ASN - Zayo Infrastructure France SA, FR France 47,104 12,884,967,424 IPv4 IPv4 IPv6 IPv6
AS9930 TTNET-MY - TT DOTCOM SDN BHD, MY Malaysia 741,888 4,295,098,368 IPv4 IPv4
AS13237 LAMBDANET-AS - euNetworks GmbH, DE Germany 570,112 107,374,182,400 IPv4 IPv4 IPv6 IPv6
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 42,496 17,179,869,184 IPv4 IPv4
AS29075 IELO - IELO-LIAZO SERVICES SAS, FR France 31,232 107,374,247,936 IPv4 IPv4
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 7,168 68,719,476,736 IPv4 IPv4
AS52075 WIFIRST - Wifirst S.A.S., FR France 132,352 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS53062 GGNET TELECOMUNICACOES LTDA, BR Brazil 28,416 4,848,746,496 IPv4 IPv4
AS61568 ALOO TELECOM - FSF TECNOLOGIA SA, BR Brazil 12,544 4,295,032,832 IPv4 IPv4
AS1299 TWELVE99 - Arelion Sweden AB, SE Sweden 411,392 77,326,778,368 IPv4 IPv4 IPv6 IPv6
AS5405 INTERDOTLINK - Inter.link GmbH, DE Germany 3,072 34,359,738,368 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 458,496 283,043,982,606,336 IPv4 IPv4 IPv6 IPv6
AS7195 EDGEUNO S.A.S, CO Colombia 32,000 4,274,061,312 IPv4 IPv4
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS8916 PORTFAST - Portfast Ltd, GB United Kingdom 8,704 34,359,803,904 IPv4 IPv4 IPv6 IPv6
AS21396 NETCONNEX - NetConnex Broadband Ltd., GB United Kingdom 11,008 68,719,542,272 IPv4 IPv4 IPv6 IPv6
AS30933 PROTEXIA-EU - KDA WEB SERVICES LTD, GB United Kingdom 3,328 0 IPv4 IPv4
AS206049 COMMUNICATE - Communicate Technology LTD, GB United Kingdom 1,536 17,179,869,184 IPv4 IPv4 IPv6 IPv6

Peers at this Exchange Point

Country / Region IX IPv4 IPv6 Port Speed Updated
United Kingdom IXLeeds - Leeds Internet Exchange 91.217.231.19 2001:7f8:67::a10e:1 10 Gbps 2016-08-05 12:27:16
United Kingdom LINX Manchester - LINX Manchester 195.66.244.23 2001:7f8:4:2::a10e:1 30 Gbps 2024-09-04 15:05:09
United Kingdom LINX LON1 - London Internet Exchange Ltd. 195.66.224.104 2001:7f8:4::a10e:2 100 Gbps 2022-04-27 20:57:22
United Kingdom LONAP - London Access Point 5.57.80.184 2001:7f8:17::a10e:1 100 Gbps 2026-03-25 23:37:40
Germany MegaIX Frankfurt - Megaport MegaIX Frankfurt 62.69.146.122 2001:7f8:8:20:0:a10e:0:1 0 Mbps 2025-11-03 10:40:14
Germany MegaIX Dusseldorf - Megaport MegaIX Dusseldorf 194.146.118.152 2001:7f8:8::a10e:0:1 10 Gbps 2020-08-28 11:41:58

Private Peering Facilities

Country / Region Name City Website Updated
Equinix MA1 - Manchester, Williams/Kilburn Manchester https://www.equinix.com/locations/united-kingdom-colocation/manchester-data-centers/ma1/ 2016-03-14 20:34:51
Telehouse - London (Docklands North) London http://www.telehouse.net 2016-03-14 20:54:44
ASK4 DC1 - Sheffield Sheffield https://ask4datacentre.com/ 2016-03-14 21:24:08
Digital Realty Dusseldorf DUS1-3 Düsseldorf https://www.digitalrealty.com/data-centers/emea/dusseldorf 2016-03-14 20:35:21
Equinix LD8 - London, Docklands London http://www.equinix.com/locations/ 2016-09-20 14:17:20
Equinix MA4 - Manchester, Synergy House Manchester https://www.equinix.com/locations/united-kingdom-colocation/manchester-data-centers/ma4/ 2022-11-11 12:33:55
Digital Realty Frankfurt FRA1-27 Frankfurt https://www.digitalrealty.com/data-centers/emea/frankfurt 2025-10-22 08:35:51
Equinix LD5 - London, Slough Slough http://www.equinix.com 2026-08-21 12:21:18

Whois Record

as-block AS40960 - AS42171

as-block
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
2024-07-22T14:14:32Z
last-modified
2024-07-22T14:14:32Z
source
RIPE

aut-num AS41230

aut-num
as-name
ASK4
org
ORG-AL47-RIPE
remarks
===========================================================
ASK4's Peering Policy can be found at
https://www.ask4.com/peering
===========================================================
import
from AS-ANY accept ANY
export
to AS-ANY announce AS-ASK4
mp-import
afi ipv6.unicast from AS-ANY accept ANY
mp-export
afi ipv6.unicast to AS-ANY announce AS-ASK4
admin-c
ASKF-RIPE
tech-c
ASKF-RIPE
notify
status
ASSIGNED
mnt-by
RIPE-NCC-END-MNT
MNT-ASK4
created
2006-07-05T11:20:30Z
last-modified
2024-03-07T11:53:58Z
source
RIPE

organisation ORG-AL47-RIPE

organisation
ORG-AL47-RIPE
org-name
ASK4 Limited
country
GB
reg-nr
03980594
org-type
LIR
address
Devonshire Green House
S1 4JL
SHEFFIELD
UNITED KINGDOM
phone
+441143033200
e-mail
admin-c
ASKF-RIPE
abuse-c
ASKF2-RIPE
mnt-ref
RIPE-NCC-HM-MNT
MNT-ASK4
mnt-by
RIPE-NCC-HM-MNT
MNT-ASK4
created
2006-01-19T06:11:23Z
last-modified
2026-05-13T07:29:56Z
source
RIPE
 
                14 Fitzwilliam Street

role ASK4 Network Infrastructure Team

role
ASK4 Network Infrastructure Team
address
Devonshire Green House
14 Fitzwilliam Street
Sheffield
S1 4JL
e-mail
admin-c
CB19473-RIPE
tech-c
CB19473-RIPE
nic-hdl
ASKF-RIPE
mnt-by
MNT-ASK4
created
2011-04-15T12:53:32Z
last-modified
2026-02-04T10:52:56Z
source
RIPE
 

as-block:       AS40960 - AS42171
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:        2024-07-22T14:14:32Z
last-modified:  2024-07-22T14:14:32Z
source:         RIPE



aut-num:        AS41230
as-name:        ASK4
org:            ORG-AL47-RIPE
remarks:        ===========================================================
remarks:        ASK4's Peering Policy can be found at
remarks:        https://www.ask4.com/peering
remarks:        ===========================================================
import:         from AS-ANY accept ANY
export:         to AS-ANY announce AS-ASK4
mp-import:      afi ipv6.unicast from AS-ANY accept ANY
mp-export:      afi ipv6.unicast to AS-ANY announce AS-ASK4
admin-c:        ASKF-RIPE
tech-c:         ASKF-RIPE
notify:         [email protected]
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-ASK4
created:        2006-07-05T11:20:30Z
last-modified:  2024-03-07T11:53:58Z
source:         RIPE

organisation:   ORG-AL47-RIPE
org-name:       ASK4 Limited
country:        GB
reg-nr:         03980594
org-type:       LIR
address:        Devonshire Green House
                14 Fitzwilliam Street
address:        S1 4JL
address:        SHEFFIELD
address:        UNITED KINGDOM
phone:          +441143033200
e-mail:         [email protected]
admin-c:        ASKF-RIPE
abuse-c:        ASKF2-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MNT-ASK4
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-ASK4
created:        2006-01-19T06:11:23Z
last-modified:  2026-05-13T07:29:56Z
source:         RIPE

role:           ASK4 Network Infrastructure Team
address:        Devonshire Green House
address:        14 Fitzwilliam Street
address:        Sheffield
address:        S1 4JL
e-mail:         [email protected]
admin-c:        CB19473-RIPE
tech-c:         CB19473-RIPE
nic-hdl:        ASKF-RIPE
mnt-by:         MNT-ASK4
created:        2011-04-15T12:53:32Z
last-modified:  2026-02-04T10:52:56Z
source:         RIPE