AS Number
AS51561
AS Name
AS-ICUK
Org Name
ICUK Computing Services Limited
Registry

ripe

RegDate

N/A

Updated

2022-12-19T21:42:41Z

AS51561 Looking Glass
IPv4Prefixes

41

IPv6Prefixes

2

IPv4 NUMs

61,184

IPv6 NUMs(/64)

4,294,967,296

61,184 IPv4 Addresses
CIDR Description IP Num
2.56.84.0/22 ICUK Computing Services Limited 1024
5.133.168.0/23 Jibba Jabba Internet Services Ltd 512
5.133.170.0/23 Jibba Jabba Internet Services Ltd 512
5.254.162.0/23 ADSL_MA 512
5.254.164.0/23 ADSL_MA 512
37.235.43.0/24 SHETLAND-BB-LLP 256
45.93.112.0/22 ICUK Computing Services Limited 1024
45.145.86.0/23 Fluidity Connect Limited 512
46.33.128.0/19 ICUK Computing Services Limited 8192
46.33.156.0/24 AZTECICUK-NET 256
46.102.192.0/24 INTERDSL 256
46.102.192.0/19 ICUK Computing Services Limited 8192
46.102.193.0/24 INTERDSL 256
46.226.120.0/24 Agile ICT Ltd 256
80.95.192.0/20 ICUK Computing Services Limited 4096
80.209.128.0/19 ICUK Computing Services Limited 8192
80.209.155.0/24 OPIOUS-NET 256
80.209.160.0/20 ICUK Computing Services Limited 4096
80.209.176.0/21 STICKMAN-NET 2048
80.209.184.0/22 ITATWORK-NET 1024
89.107.24.0/22 CSD Communications Ltd 1024
138.124.128.0/20 ICUK Computing Services Limited 4096
141.98.73.0/24 Cilix Limited 256
181.215.32.0/24 No Metric Limited 256
185.2.236.0/22 ICUK Computing Services Limited 1024
185.132.52.0/24 NWIMS-Communications 256
185.140.16.0/23 ICUK Computing Services Limited 512
185.140.18.0/23 STICKMAN-NET 512
185.145.152.0/22 ICUK Computing Services Limited 1024
185.152.2.0/24 CUSTOMERS 256
185.184.140.0/24 52Degrees Telecom Limited 256
185.201.208.0/22 CTR Communications Limited 1024
185.234.255.0/24 Network 79 Ltd 256
185.243.62.0/24 Multidata Ltd 256
185.253.88.0/24 sdchas_dsl_services 256
188.211.249.0/24 Select Comms LTD 256
188.240.160.0/19 ICUK Computing Services Limited 8192
188.240.173.0/24 INTERDSL 256
188.240.191.0/24 INTERDSL 256
193.161.9.0/24 HP Networks Ltd 256
193.161.10.0/24 HP Networks Ltd 256
CIDR Description IP NUMs(prefix /64)
2a00:b900::/32 ICUK Computing Services Limited 4294967296
2a00:b900:2::/48 ICUK Computing Services Limited 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS5405 INTERDOTLINK - Inter.link GmbH, DE Germany 1,280 34,359,738,368 IPv6 IPv6
AS25091 IP-Max - IP-Max SA, CH Switzerland 15,360 68,719,607,808 IPv4 IPv4 IPv6 IPv6
AS39351 ESAB-AS - 31173 Services AB, SE Sweden 9,728 4,297,129,984 IPv4 IPv4
AS29075 IELO - IELO-LIAZO SERVICES SAS, FR France 43,776 107,374,182,400 IPv4 IPv4 IPv6 IPv6
AS35280 F5 - F5 Networks SARL, FR France 52,224 81,604,378,624 IPv4 IPv4 IPv6 IPv6
AS37497 Network-Platforms - Network Platforms (PTY) LTD, ZA South Africa 14,336 4,294,967,296 IPv4 IPv4
AS12552 IPO-EU - GlobalConnect AB, SE Sweden 568,832 279,173,660,672 IPv4 IPv4
AS14840 BR.Digital Provider, BR Brazil 66,560 14,009,892,864 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 521,216 282,631,665,614,848 IPv4 IPv4 IPv6 IPv6
AS12779 ITGATE - IT.Gate S.p.A., IT Italy 45,824 42,949,804,032 IPv4 IPv4
AS37100 SEACOM-AS - SEACOM Limited, MU Mauritius 1,072,896 12,884,901,888 IPv4 IPv4 IPv6 IPv6
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 7,424 68,719,476,736 IPv4 IPv4 IPv6 IPv6
AS1267 ASN-WINDTRE - WIND TRE S.P.A., IT Italy 6,568,704 2,233,382,993,920 IPv4 IPv4
AS2914 NTT-DATA-2914 - NTT America, Inc., US United States 7,084,800 30,064,967,680 IPv4 IPv4 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv4 IPv4
AS48362 TKSWF-AS - Stadtwerke Feldkirch, AT Austria 7,680 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS57463 NetIX - NetIX Communications JSC, BG Bulgaria 0 0 IPv4 IPv4
AS132337 ANSPL-AS-AP - AXCLUSIVE PTE. LTD., SG Singapore 7,936 4,294,967,296 IPv4 IPv4
AS8218 NEO-ASN - Zayo Infrastructure France SA, FR France 47,360 12,884,967,424 IPv6 IPv6
AS5413 AS5413 - Daisy Corporate Services Trading Ltd, GB United Kingdom 738,304 73,014,575,104 IPv4 IPv4
AS6204 ZET-NET - INTERKVM HOST SRL, RO Romania 512 268,435,456 IPv4 IPv4
AS16347 INHERENT - ADISTA SAS, FR France 233,472 386,547,056,640 IPv4 IPv4
AS18106 VIEWQWEST-SG-AP - Viewqwest Pte Ltd, SG Singapore 53,248 13,153,337,344 IPv4 IPv4 IPv6 IPv6
AS8426 CLARANET-AS - Claranet Limited, GB United Kingdom 986,624 219,043,725,312 IPv4 IPv4 IPv6 IPv6
AS9009 M247 - M247 Europe SRL, RO Romania 1,335,040 262,075,973,888 IPv4 IPv4 IPv6 IPv6
AS13237 LAMBDANET-AS - euNetworks GmbH, DE Germany 570,368 107,374,182,400 IPv4 IPv4
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 9,216 42,949,672,960 IPv4 IPv4 IPv6 IPv6
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S., CO Colombia 4,096 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS7195 EDGEUNO S.A.S, CO Colombia 30,720 4,276,158,464 IPv4 IPv4
AS7575 AARNET-AS-AP - Australian Academic and Research Network, AU Australia 1,221,632 25,769,934,848 IPv4 IPv4
AS34224 NETERRA-AS - Neterra Ltd., BG Bulgaria 39,936 4,295,032,832 IPv4 IPv4
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 29,661,440 77,331,431,424 IPv4 IPv4 IPv6 IPv6
AS5713 SAIX-NET - Telkom SA Ltd., ZA South Africa 2,186,496 17,596,481,077,248 IPv4 IPv4
AS13335 CLOUDFLARENET - Cloudflare, Inc., US United States 1,787,904 43,956,305,920 IPv4 IPv4
AS34177 CELESTE-AS - CELESTE SAS, FR France 192,768 42,949,672,960 IPv4 IPv4
AS62275 NHM - NHM - S.R.L., IT Italy 5,376 171,798,691,840 IPv4 IPv4
AS9002 RETN-AS - RETN Limited, GB United Kingdom 28,672 4,294,967,296 IPv6 IPv6
AS174 COGENT-174 - Cogent Communications, US United States 35,901,952 301,965,180,928 IPv4 IPv4 IPv6 IPv6
AS3741 IS - Dimension Data, ZA South Africa 2,704,384 137,439,084,544 IPv4 IPv4
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS42330 UNCHAINEDISP - Unchained ISP Limited, GB United Kingdom 0 0 IPv4 IPv4 IPv6 IPv6
AS199204 WebMate - Webmate Internet Services Ltd., GB United Kingdom 512 0 IPv4 IPv4
AS201060 snetterton - SNETTERTON TELECOM LIMITED, GB United Kingdom 1,024 0 IPv4 IPv4
AS215638 AS-CILIX-LTD - Cilix Limited, GB United Kingdom 2,048 68,753,031,168 IPv4 IPv4 IPv6 IPv6

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
United Kingdom LINX LON2 - London Internet Exchange Ltd. 195.66.238.191 2001:7f8:4:1::c969:1 20 Gbps 2019-05-15 10:29:01
United Kingdom LINX LON1 - London Internet Exchange Ltd. 195.66.226.191 2001:7f8:4::c969:1 40 Gbps 2025-01-08 16:15:10
United Kingdom LONAP - London Access Point 5.57.81.134 2001:7f8:17::c969:1 30 Gbps 2024-02-05 19:13:36

Private Peering Facilities

Country/Region Name City Website Updated
Telehouse - London (Docklands North) London http://www.telehouse.net 2016-03-14 20:39:16
Equinix LD8 - London, Docklands London http://www.equinix.com/locations/ 2017-07-07 14:27:07
Telehouse - London (Docklands West) London http://www.telehouse.net/ 2016-08-04 16:18:31
as-block:       AS51357 - AS51817
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:        2025-02-13T13:57:44Z
last-modified:  2025-02-13T13:57:44Z
source:         RIPE



aut-num:        AS51561
as-name:        AS-ICUK
org:            ORG-ICSL4-RIPE
import:         from AS174 accept ANY
import:         from AS3356 accept ANY
import:         from AS2914 accept ANY
export:         to AS174 announce AS-ICUK
export:         to AS3356 announce AS-ICUK
export:         to AS2914 announce AS-ICUK
admin-c:        IRA19-RIPE
tech-c:         IRA19-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         ICUK-MNT
created:        2010-09-28T13:41:49Z
last-modified:  2022-12-19T21:42:41Z
source:         RIPE

organisation:   ORG-ICSL4-RIPE
org-name:       ICUK Computing Services Limited
country:        GB
org-type:       LIR
address:        Suite 5, Metropolitan House, 38-40 High Street
address:        CR0 1YB
address:        Croydon
address:        UNITED KINGDOM
phone:          +443450099175
e-mail:         [email protected]
admin-c:        TO691-RIPE
admin-c:        LC6988-RIPE
abuse-c:        IRA19-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        ICUK-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         ICUK-MNT
created:        2010-07-07T12:52:32Z
last-modified:  2020-12-16T13:11:05Z
source:         RIPE

role:           ICUK Ripe Administrator
address:        Suite 5, Metropolitan House, 38-40 High Street, Croydon, CR0 1YB
e-mail:         [email protected]
admin-c:        LC6988-RIPE
tech-c:         TO691-RIPE
nic-hdl:        IRA19-RIPE
mnt-by:         ICUK-MNT
created:        2010-09-09T13:50:17Z
last-modified:  2016-08-16T09:03:06Z
source:         RIPE
abuse-mailbox:  [email protected]