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

57

IPv6Prefixes

2

IPv4 NUMs

61,952

IPv6 NUMs(/64)

4,294,967,296

61,952 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
46.33.128.0/24 INTERDSL 256
46.33.128.0/19 ICUK Computing Services Limited 8192
46.33.130.0/24 INTERDSL 256
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
80.209.128.0/24 ICUK Computing Services Limited 256
80.209.128.0/19 ICUK Computing Services Limited 8192
80.209.155.0/24 OPIOUS-NET 256
80.209.159.0/24 ICUK Computing Services Limited 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
138.124.128.0/24 ICUK Computing Services Limited 256
138.124.128.0/20 ICUK Computing Services Limited 4096
138.124.134.0/24 CONNECTUS-NET 256
138.124.135.0/24 INTRA-NET 256
138.124.136.0/24 ICUK Computing Services Limited 256
138.124.137.0/24 ICUK Computing Services Limited 256
138.124.138.0/24 STICKMAN-NET 256
138.124.142.0/24 ZERO7-NET 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
185.137.240.0/24 CDN 256
185.140.16.0/23 ICUK Computing Services Limited 512
185.140.18.0/23 STICKMAN-NET 512
185.145.152.0/24 TOMFLUENT-NET 256
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
188.240.160.0/24 INTERDSL 256
188.240.160.0/19 ICUK Computing Services Limited 8192
188.240.172.0/24 INTERDSL 256
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
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 97,792 352,458,178,560 IPv6 IPv6
AS2914 NTT-DATA-2914 - NTT America, Inc., US United States 7,219,712 30,065,098,752 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 582,400 282,627,370,713,088 IPv6 IPv6
AS8426 CLARANET-AS - Claranet Limited, GB United Kingdom 987,648 253,403,463,680 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv6 IPv6
AS29075 IELO - IELO-LIAZO SERVICES SAS, FR France 35,584 107,374,182,400 IPv6 IPv6
AS30844 LIQUID-AS - Liquid Telecommunications Ltd, GB United Kingdom 368,640 38,654,705,664 IPv6 IPv6
AS37100 SEACOM-AS - SEACOM Limited, MU Mauritius 1,072,896 12,884,901,888 IPv6 IPv6
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S., CO Colombia 4,096 8,589,934,592 IPv6 IPv6
AS61573 IP TELECOM, BR Brazil 1,024 4,294,967,296 IPv6 IPv6
AS174 COGENT-174 - Cogent Communications, LLC, US United States 35,913,984 185,692,651,520 IPv6 IPv6
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 28,948,608 81,626,857,472 IPv6 IPv6
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 7,168 68,719,476,736 IPv6 IPv6
AS7195 EDGEUNO S.A.S, CO Colombia 31,488 4,275,109,888 IPv6 IPv6
AS8218 NEO-ASN - Zayo Infrastructure France SA, FR France 47,360 12,884,967,424 IPv6 IPv6
AS25091 IP-Max - IP-Max SA, CH Switzerland 15,104 68,719,607,808 IPv6 IPv6
AS35280 F5 - F5 Networks SARL, FR France 53,760 81,604,378,624 IPv6 IPv6
AS7575 AARNET-AS-AP - Australian Academic and Research Network, AU Australia 1,153,988 25,769,934,848 IPv6 IPv6
AS12552 GlobalConnect-AS12552 - GlobalConnect AB, SE Sweden 562,176 214,749,282,304 IPv6 IPv6
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 9,472 42,949,672,960 IPv6 IPv6
AS48362 TKSWF-AS - Stadtwerke Feldkirch, AT Austria 7,680 4,294,967,296 IPv6 IPv6
AS58511 ANYCAST-GLOBAL-BACKBONE - Anycast Holdings Pty Ltd, AU Australia 22,528 8,589,934,592 IPv6 IPv6
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 103,680 77,403,652,096 IPv6 IPv6

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
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
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

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:         noc@icuk.net
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:         noc@icuk.net
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:  abuse@interdns.co.uk