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

42

IPv6Prefixes

2

IPv4 NUMs

61,440

IPv6 NUMs(/64)

4,294,967,296

61,440 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
91.233.33.0/24 Metropolitan Networks UK Ltd 256
138.124.128.0/20 ICUK Computing Services Limited 4096
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
185.201.208.0/22 CTR Communications Limited 1024
185.234.255.0/24 Network 79 Ltd 256
185.243.62.0/24 Multidata Ltd 256
185.243.63.0/24 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
193.187.0.0/24 Select Comms 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
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 9,472 42,949,672,960 IPv4 IPv4
AS61568 ALOO TELECOM - FSF TECNOLOGIA SA, BR Brazil 12,800 4,295,032,832 IPv4 IPv4
AS3741 NTT-DATA-Inc - Dimension Data, ZA South Africa 2,970,880 137,439,084,544 IPv4 IPv4
AS5413 Wavenet-AS5413 - Wavenet Limited, GB United Kingdom 736,000 68,719,607,808 IPv4 IPv4
AS13335 CLOUDFLARENET - Cloudflare, Inc., US United States 1,344,000 44,032,393,216 IPv4 IPv4
AS15412 FLAG-AS - FLAG TELECOM UK LIMITED, GB United Kingdom 36,096 4,294,967,296 IPv4 IPv4
AS25091 IP-Max - IP-Max SA, CH Switzerland 15,104 68,719,607,808 IPv4 IPv4 IPv6 IPv6
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 7,168 68,719,476,736 IPv4 IPv4 IPv6 IPv6
AS8218 NEO-ASN - Zayo Infrastructure France SA, FR France 47,360 12,884,967,424 IPv6 IPv6
AS7575 AARNET-AS-AP - Australian Academic and Research Network, AU Australia 1,154,304 25,769,934,848 IPv4 IPv4 IPv6 IPv6
AS9009 M247 - M247 Europe SRL, RO Romania 1,534,976 257,791,426,816 IPv4 IPv4
AS12552 IPO-EU - GlobalConnect AB, SE Sweden 562,432 210,454,249,472 IPv4 IPv4 IPv6 IPv6
AS37100 SEACOM-AS - SEACOM Limited, MU Mauritius 1,072,896 17,179,869,184 IPv4 IPv4 IPv6 IPv6
AS48362 TKSWF-AS - Stadtwerke Feldkirch, AT Austria 7,680 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS60602 INOVARE-AS - Inovare-Prim SRL, MD Moldova 3,584 4,294,967,296 IPv4 IPv4
AS6204 ZET-NET - INTERKVM HOST SRL, RO Romania 768 268,435,456 IPv4 IPv4
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S., CO Colombia 4,096 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS1031 PEER1-1031 - PEER 1031 LLC, US United States 1,280 4,294,967,296 IPv4 IPv4
AS5713 SAIX-NET - Telkom SA Ltd., ZA South Africa 2,187,776 17,600,776,044,544 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 464,128 282,627,370,778,624 IPv4 IPv4 IPv6 IPv6
AS61573 Ip Telecom BR, BR Brazil 1,024 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 99,840 77,386,809,344 IPv4 IPv4 IPv6 IPv6
AS174 COGENT-174 - Cogent Communications, LLC, US United States 35,936,000 258,978,086,912 IPv4 IPv4 IPv6 IPv6
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 29,081,216 77,349,781,760 IPv4 IPv4 IPv6 IPv6
AS8426 CLARANET-AS - Claranet Limited, GB United Kingdom 987,648 253,403,463,680 IPv4 IPv4 IPv6 IPv6
AS14840 BR.Digital Provider, BR Brazil 70,656 14,010,155,008 IPv4 IPv4
AS35280 F5 - F5 Networks SARL, FR France 53,248 81,604,378,624 IPv4 IPv4 IPv6 IPv6
AS62275 NHM - NHM - S.R.L., IT Italy 5,376 171,798,691,840 IPv4 IPv4
AS39351 ESAB-AS - 31173 Services AB, SE Sweden 9,984 4,331,667,456 IPv4 IPv4
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 106,240 355,679,338,496 IPv4 IPv4 IPv6 IPv6
AS2914 NTT-DATA-2914 - NTT America, Inc., US United States 7,201,024 30,065,164,288 IPv4 IPv4 IPv6 IPv6
AS9930 TTNET-MY - TT DOTCOM SDN BHD, MY Malaysia 741,888 4,295,098,368 IPv4 IPv4
AS18106 VIEWQWEST-SG-AP - Viewqwest Pte Ltd, SG Singapore 53,248 13,153,337,344 IPv4 IPv4 IPv6 IPv6
AS34177 CELESTE-AS - CELESTE SAS, FR France 289,792 98,784,247,808 IPv4 IPv4
AS37497 Network-Platforms - Network Platforms (PTY) LTD, ZA South Africa 14,592 4,294,967,296 IPv4 IPv4
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 43,520 17,179,869,184 IPv4 IPv4
AS57463 NetIX - NetIX Communications JSC, BG Bulgaria 256 0 IPv4 IPv4
AS58511 ANYCAST-GLOBAL-BACKBONE - Anycast Holdings Pty Ltd, AU Australia 23,552 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS132337 ANSPL-AS-AP - AXCLUSIVE PTE. LTD., SG Singapore 8,448 4,294,967,296 IPv4 IPv4
AS1267 ASN-WINDTRE - WIND TRE S.P.A., IT Italy 7,158,528 2,233,382,993,920 IPv4 IPv4
AS13237 LAMBDANET-AS - euNetworks GmbH, DE Germany 570,880 107,374,182,400 IPv4 IPv4
AS30844 LIQUID-AS - Liquid Telecommunications Ltd, GB United Kingdom 368,896 38,654,705,664 IPv4 IPv4 IPv6 IPv6
AS37721 Virtual-Technologies-Solutions-SA - Virtual Technologies & Solutions, BF Burkina Faso 15,872 8,589,934,592 IPv4 IPv4
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 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
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]