AS Number
AS51561
AS Name
AS-ICUK
Org Name
ICUK Computing Services Limited
Country / Region
United Kingdom
Registry

ripe

RegDate

Updated

2021-12-09T08:21:17Z

AS51561 Looking Glass
IPv4Prefixes

40

IPv6Prefixes

2

IPv4 NUMs

59,392

IPv6 NUMs(/64)

4,294,967,296

59,392 IPv4 Addresses
CIDR Description IP Num
2.56.84.0/22
IRR Valid
ICUK Computing Services Limited 1024
5.133.168.0/23
IRR Valid
Jibba Jabba Internet Services Ltd 512
5.133.170.0/23
IRR Valid
Jibba Jabba Internet Services Ltd 512
5.254.162.0/23
IRR Valid
ADSL_MA 512
5.254.164.0/23
IRR Valid
ADSL_MA 512
37.235.43.0/24
IRR Valid
SHETLAND-BB-LLP 256
45.145.86.0/23
IRR Valid
Fluidity Connect Limited 512
46.33.128.0/19
IRR Valid
ICUK Computing Services Limited 8192
46.33.156.0/24
IRR Parent Valid
AZTECICUK-NET 256
46.102.192.0/24
IRR Parent Valid
INTERDSL 256
46.102.192.0/19
IRR Valid
ICUK Computing Services Limited 8192
46.102.193.0/24
IRR Parent Valid
INTERDSL 256
46.226.120.0/24
ROA Signed and Valid IRR Valid
Agile ICT Ltd 256
80.93.207.0/24
ROA Signed and Valid IRR Valid
Greystar Communications 256
80.95.192.0/20
IRR Valid
ICUK Computing Services Limited 4096
80.209.128.0/19
IRR Valid
ICUK Computing Services Limited 8192
80.209.155.0/24
IRR Parent Valid
OPIOUS-NET 256
80.209.160.0/20
IRR Valid
ICUK Computing Services Limited 4096
80.209.176.0/21
IRR Valid
STICKMAN-NET 2048
80.209.184.0/22
IRR Valid
ITATWORK-NET 1024
89.107.24.0/22
IRR Valid
CSD Communications Ltd 1024
138.124.128.0/20
IRR Valid
ICUK Computing Services Limited 4096
141.98.73.0/24
ROA Signed and Valid IRR Valid
Cilix Limited 256
181.215.32.0/24
ROA Signed and Valid IRR Valid
No Metric Limited 256
185.132.52.0/24
IRR Valid
NWIMS-Communications 256
185.140.16.0/23
IRR Parent Valid
ICUK Computing Services Limited 512
185.140.18.0/23
IRR Parent Valid
STICKMAN-NET 512
185.145.152.0/22
IRR Valid
ICUK Computing Services Limited 1024
185.152.2.0/24
ROA Signed and Valid IRR Valid
CUSTOMERS 256
185.184.140.0/24
ROA Signed and Valid IRR Valid
52Degrees Telecom Limited 256
185.201.208.0/22
IRR Valid
CTR Communications Limited 1024
185.234.255.0/24
IRR Valid
Network 79 Ltd 256
185.243.62.0/24
IRR Valid
Multidata Ltd 256
185.253.88.0/24
IRR Valid
sdchas_dsl_services 256
188.211.249.0/24
IRR Valid
Select Comms LTD 256
188.240.160.0/19
IRR Valid
ICUK Computing Services Limited 8192
188.240.173.0/24
IRR Parent Valid
INTERDSL 256
188.240.191.0/24
IRR Parent Valid
INTERDSL 256
193.161.9.0/24
ROA Signed and Valid IRR Valid
HP Networks Ltd 256
193.161.10.0/24
ROA Signed and Valid IRR Valid
HP Networks Ltd 256
CIDR Description IP NUMs(prefix /64)
2a00:b900::/32
IRR Valid
ICUK Computing Services Limited 4294967296
2a00:b900:2::/48
IRR Parent Valid
ICUK Computing Services Limited 65536
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS5413 AS5413 - Daisy Corporate Services Trading Ltd, GB United Kingdom 737,280 73,014,575,104 IPv4 IPv4
AS15412 FLAG-AS - FLAG TELECOM UK LIMITED, GB United Kingdom 41,216 4,294,967,296 IPv4 IPv4
AS18106 VIEWQWEST-SG-AP - Viewqwest Pte Ltd, SG Singapore 53,248 13,153,337,344 IPv4 IPv4 IPv6 IPv6
AS9002 RETN-AS - RETN Limited, GB United Kingdom 27,392 4,294,967,296 IPv6 IPv6
AS9498 BBIL-AP - Bharti Airtel Limited, IN India 2,125,824 4,299,030,528 IPv4 IPv4
AS16347 INHERENT - ADISTA SAS, FR France 233,472 386,547,056,640 IPv4 IPv4
AS35280 F5 - F5 Networks SARL, FR France 51,968 81,604,378,624 IPv4 IPv4 IPv6 IPv6
AS132337 ANSPL-AS-AP - AXCLUSIVE PTE. LTD., SG Singapore 7,680 4,294,967,296 IPv4 IPv4
AS5405 INTERDOTLINK - Inter.link GmbH, DE Germany 1,280 34,359,738,368 IPv6 IPv6
AS37100 SEACOM-AS - SEACOM Limited, MU Mauritius 1,072,896 12,884,901,888 IPv4 IPv4 IPv6 IPv6
AS37497 Network-Platforms - Network Platforms (PTY) LTD, ZA South Africa 14,336 4,294,967,296 IPv4 IPv4
AS37721 Virtual-Technologies-Solutions-SA - Virtual Technologies & Solutions, BF Burkina Faso 15,872 4,294,967,296 IPv4 IPv4
AS1267 ASN-WINDTRE - WIND TRE S.P.A., IT Italy 6,568,704 2,233,382,993,920 IPv4 IPv4
AS2914 NTT-LTD-2914 - NTT America, Inc., US United States 7,023,616 34,359,869,440 IPv4 IPv4 IPv6 IPv6
AS5713 SAIX-NET - Telkom SA Ltd., ZA South Africa 1,989,888 17,596,481,077,248 IPv4 IPv4
AS9009 M247 - M247 Europe SRL, RO Romania 1,308,672 266,369,564,928 IPv4 IPv4
AS13237 LAMBDANET-AS - euNetworks GmbH, DE Germany 572,160 111,669,149,696 IPv4 IPv4 IPv6 IPv6
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 8,448 68,719,476,736 IPv4 IPv4 IPv6 IPv6
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 66,048 94,522,834,944 IPv4 IPv4 IPv6 IPv6
AS48362 TKSWF-AS - Stadtwerke Feldkirch, AT Austria 7,680 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS34927 iFog-GmbH - iFog GmbH, CH Switzerland 5,376 244,449,280 IPv6 IPv6
AS1031 PEER1-1031 - PEER 1031 LLC, US United States 2,048 4,294,967,296 IPv4 IPv4
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 29,851,392 77,330,644,992 IPv4 IPv4 IPv6 IPv6
AS7575 AARNET-AS-AP - Australian Academic and Research Network, AU Australia 1,285,632 25,769,934,848 IPv4 IPv4
AS13335 CLOUDFLARENET - Cloudflare, Inc., US United States 1,729,024 43,953,356,800 IPv4 IPv4
AS25091 IP-MAX - IP-Max SA, CH Switzerland 15,104 68,719,607,808 IPv4 IPv4 IPv6 IPv6
AS3741 IS - Dimension Data, ZA South Africa 2,603,776 137,439,084,544 IPv4 IPv4
AS12779 ITGATE - IT.Gate S.p.A., IT Italy 45,824 42,949,804,032 IPv4 IPv4
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 94,464 354,874,032,128 IPv4 IPv4 IPv6 IPv6
AS58511 ANYCAST-GLOBAL-BACKBONE - Anycast Holdings Pty Ltd, AU Australia 23,552 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS62275 NHM - NHM - S.R.L., IT Italy 5,376 171,798,691,840 IPv4 IPv4
AS64289 MACARNE - Macarne LLC, US United States 7,936 943,259,648 IPv4 IPv4
AS174 COGENT-174 - Cogent Communications, US United States 35,904,512 301,931,036,672 IPv4 IPv4 IPv6 IPv6
AS7195 EDGEUNO S.A.S, CO Colombia 31,232 4,276,158,464 IPv4 IPv4
AS12552 IPO-EU - GlobalConnect AB, SE Sweden 568,320 274,878,758,912 IPv4 IPv4 IPv6 IPv6
AS34224 NETERRA-AS - Neterra Ltd., BG Bulgaria 41,472 4,294,967,296 IPv4 IPv4
AS39351 ESAB-AS - 31173 Services AB, SE Sweden 9,728 4,297,064,448 IPv4 IPv4
AS262589 SAMM TECNOLOGIA E TELECOMUNICACOES S.A, BR Brazil 228,864 30,068,310,016 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 550,912 282,631,682,457,600 IPv4 IPv4 IPv6 IPv6
AS8426 CLARANET-AS - Claranet Limited, GB United Kingdom 987,136 219,043,725,312 IPv4 IPv4 IPv6 IPv6
AS34177 CELESTE-AS - CELESTE SAS, FR France 192,768 42,949,672,960 IPv4 IPv4
AS57463 NetIX - NetIX Communications JSC, BG Bulgaria 0 0 IPv4 IPv4
AS8218 NEO-ASN - Zayo Infrastructure France SA, FR France 47,360 12,884,967,424 IPv6 IPv6
AS14840 BR.Digital Provider, BR Brazil 67,072 14,009,892,864 IPv4 IPv4
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 21,504 4,294,967,296 IPv4 IPv4
AS29075 IELO - IELO-LIAZO SERVICES SAS, FR France 43,264 107,374,182,400 IPv4 IPv4 IPv6 IPv6
AS30844 LIQUID-AS - Liquid Telecommunications Ltd, GB United Kingdom 410,112 38,654,705,664 IPv4 IPv4
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S., CO Colombia 4,096 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS201060 snetterton - SNETTERTON TELECOM LIMITED, GB United Kingdom 1,024 0 IPv4 IPv4
AS209505 UNCHAINEDISP - Unchained ISP Limited, GB United Kingdom 768 4,295,032,832 IPv4 IPv4 IPv6 IPv6
AS215638 AS-CILIX-LTD - Cilix Limited, GB United Kingdom 2,048 16,777,216 IPv4 IPv4
AS42330 UNCHAINEDISP - Unchained ISP Limited, GB United Kingdom 1,024 4,295,032,832 IPv4 IPv4 IPv6 IPv6
AS199204 WebMate - Webmate Internet Services Ltd., GB United Kingdom 512 0 IPv4 IPv4

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 30 Gbps 2022-09-12 10:21:13
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
IP Address Domain NUMs Domains
2.56.84.1 1 185.1.192.170,core1.ipcore.mad.lo0.es
2.56.84.225 1 nbix.es
2.56.84.249 1 educa.greenlanz.com
as-block:       AS51357 - AS52223
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:        2021-12-09T08:21:17Z
last-modified:  2021-12-09T08:21:17Z
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