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

36

IPv6Prefixes

2

IPv4 NUMs

57,856

IPv6 NUMs(/64)

4,294,967,296

57,856 IPv4 Addresses
CIDR Description IP Num
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
DINGLEBLOM-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
46.102.219.160/29
IRR Parent Valid
INTERDSL 8
46.226.120.0/24
ROA Signed and Valid IRR Valid
Agile ICT Ltd 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
185.140.16.0/23
IRR Parent Valid
ICUK Computing Services Limited 512
185.140.18.0/23
IRR Parent Valid
STICKMAN-NET 512
185.145.152.0/24
IRR Parent Valid
TOMFLUENT-NET 256
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
185.168.132.0/23
ROA Signed and Valid IRR Valid
Connexin 512
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
185.253.88.0/24
IRR Valid
sdchas_dsl_services 256
188.240.160.0/19
IRR Valid
ICUK Computing Services Limited 8192
193.161.9.0/24
IRR Valid
HP Networks Ltd 256
193.161.10.0/24
IRR Valid
HP Networks Ltd 256
195.178.156.0/24
ROA Signed and Valid IRR Valid
GREYSTAR COMMUNICATIONS 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
AS34549 MEER-AS - meerfarbig GmbH & Co. KG, DE Germany 93,952 347,893,465,088 IPv4 IPv4
AS36351 SOFTLAYER - SoftLayer Technologies Inc., US United States 4,335,104 39,668,088,832 IPv4 IPv4
AS12779 ITGATE - IT.Gate S.p.A., IT Italy 45,568 42,949,804,032 IPv4 IPv4 IPv6 IPv6
AS9009 M247 - M247 Europe SRL, RO Romania 1,061,632 339,406,553,344 IPv4 IPv4
AS13237 LAMBDANET-AS - euNetworks GmbH, DE Germany 562,688 111,669,149,696 IPv4 IPv4 IPv6 IPv6
AS34224 NETERRA-AS - Neterra Ltd., BG Bulgaria 44,032 4,294,967,296 IPv4 IPv4
AS45352 IPSERVERONE-AS-AP - IP ServerOne Solutions Sdn Bhd, MY Malaysia 39,168 4,027,645,952 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 514,048 282,631,675,707,392 IPv4 IPv4 IPv6 IPv6
AS8309 SIPARTECH - SIPARTECH SAS, FR France 41,216 34,359,738,368 IPv4 IPv4
AS29075 IELO - IELO-LIAZO SERVICES SAS, FR France 42,240 107,374,182,400 IPv4 IPv4 IPv6 IPv6
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 35,072 17,448,370,176 IPv4 IPv4 IPv6 IPv6
AS1828 UNITAS - Unitas Global LLC, US United States 227,328 47,244,640,256 IPv4 IPv4 IPv6 IPv6
AS18106 VIEWQWEST-SG-AP - Viewqwest Pte Ltd, SG Singapore 52,992 13,153,337,344 IPv4 IPv4 IPv6 IPv6
AS17660 DRUKNET-AS - Bhutan Telecom Ltd, BT Bhutan 18,432 4,294,967,296 IPv4 IPv4
AS5713 SAIX-NET - Telkom SA Ltd., ZA South Africa 1,993,472 17,600,775,979,008 IPv4 IPv4
AS8426 CLARANET-AS - Claranet Limited, GB United Kingdom 981,248 214,748,758,016 IPv4 IPv4 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 21,504 4,294,967,296 IPv4 IPv4
AS57463 NetIX - NetIX Communications JSC, BG Bulgaria 512 0 IPv4 IPv4
AS1267 ASN-WINDTRE - WIND TRE S.P.A., IT Italy 6,567,680 2,233,382,993,920 IPv4 IPv4
AS5413 AS5413 - Daisy Corporate Services Trading Ltd, GB United Kingdom 741,888 73,014,509,568 IPv4 IPv4
AS15412 FLAG-AS - FLAG TELECOM UK LIMITED, GB United Kingdom 37,632 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
AS1031 PEER-1-INTERNET - Peer 1 Internet Service LLC, US United States 2,208 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS63927 RISE-HK - RISE ASIA TECHNOLOGY LIMITED, HK Hong Kong 7,680 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS199204 WebMate - Webmate Internet Services Ltd., GB United Kingdom 512 0 IPv4 IPv4
AS262589 INTERNEXA BRASIL OPERADORA DE TELECOMUNICACOES S.A, BR Brazil 246,016 30,085,152,768 IPv4 IPv4
AS34177 CELESTE-AS - CELESTE SAS, FR France 177,152 42,949,672,960 IPv4 IPv4
AS12552 IPO-EU - GlobalConnect AB, SE Sweden 576,256 270,584,315,904 IPv4 IPv4 IPv6 IPv6
AS28716 RETELIT-AS - Retelit Digital Services S.p.A., IT Italy 51,712 107,374,182,400 IPv4 IPv4
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 100,096 336,889,053,184 IPv4 IPv4 IPv6 IPv6
AS1239 SPRINTLINK - Sprint, US United States 12,231,168 208,306,176,000 IPv4 IPv4
AS4455 BSO - IX Reach Ltd, GB United Kingdom 55,296 12,884,967,424 IPv4 IPv4
AS8714 LINX-ROUTESRV - London Internet Exchange Ltd., GB United Kingdom 0 0 IPv4 IPv4
AS48362 TKSWF-AS - Stadtwerke Feldkirch, AT Austria 7,680 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 29,941,556 77,597,638,656 IPv4 IPv4 IPv6 IPv6
AS39351 ESAB-AS - 31173 Services AB, SE Sweden 8,960 4,295,753,728 IPv4 IPv4
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 8,448 68,719,476,736 IPv4 IPv4 IPv6 IPv6
AS9002 RETN-AS - RETN Limited, GB United Kingdom 33,024 4,294,967,296 IPv6 IPv6
AS174 COGENT-174 - Cogent Communications, US United States 27,263,744 190,848,172,032 IPv4 IPv4 IPv6 IPv6
AS16347 INHERENT - ADISTA SAS, FR France 190,720 98,784,772,096 IPv4 IPv4
AS53427 TGLOBAL-NETWORKS - TGLOBAL NETWORKS, US United States 512 16,777,216 IPv4 IPv4
AS8529 OMANTEL-AS - Oman Telecommunications Company (S.A.O.G), OM Oman 15,360 0 IPv4 IPv4
AS37100 SEACOM-AS - SEACOM Limited, MU Mauritius 1,072,896 12,884,901,888 IPv4 IPv4
AS37662 WIOCC-AS - West Indian Ocean Cable Company, MU Mauritius 9,216 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 43,520 38,654,836,736 IPv4 IPv4
AS25091 IP-MAX - IP-Max SA, CH Switzerland 12,032 34,359,803,904 IPv4 IPv4 IPv6 IPv6
AS3741 IS - Dimension Data, ZA South Africa 2,547,200 137,439,150,080 IPv4 IPv4
AS7575 AARNET-AS-AP - Australian Academic and Research Network, AU Australia 1,352,704 25,769,934,848 IPv4 IPv4
AS13760 UNITI-FIBER - Uniti Fiber Holdings Inc., US United States 123,136 13,153,402,880 IPv4 IPv4 IPv6 IPv6
AS14840 COMMCORP COMUNICACOES LTDA, BR Brazil 62,464 15,066,857,472 IPv4 IPv4
AS38880 M21-AS-AP - Micron21 Datacentre Pty Ltd, AU Australia 30,976 4,295,163,904 IPv4 IPv4
AS58511 ANYCAST-GLOBAL-BACKBONE - ANYCAST HOLDINGS PTY LTD, AU Australia 24,576 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS34927 iFog-GmbH - iFog GmbH, CH Switzerland 3,840 140,181,504 IPv6 IPv6
AS3216 SOVAM-AS - PJSC "Vimpelcom", RU Russian Federation 1,053,446 4,295,098,368 IPv4 IPv4
AS9050 RTD - ORANGE ROMANIA COMMUNICATION S.A, RO Romania 1,497,088 4,294,967,296 IPv4 IPv4
AS132337 ANSPL-AS-AP - ALPHA NETWORKS SOLUTION PTE. LTD., SG Singapore 7,936 4,294,967,296 IPv4 IPv4
AS8218 NEO-ASN - Zayo Infrastructure France SA, FR France 47,616 12,884,967,424 IPv6 IPv6
AS2914 NTT-LTD-2914 - NTT America, Inc., US United States 6,853,120 21,475,295,232 IPv4 IPv4 IPv6 IPv6
AS35280 F5 - F5 Networks SARL, FR France 50,432 81,604,378,624 IPv4 IPv4 IPv6 IPv6
AS47787 EDGOO - EDGOO NETWORKS LLC, US United States 5,376 214,748,430,336 IPv4 IPv4 IPv6 IPv6
AS30844 LIQUID-AS - Liquid Telecommunications Ltd, GB United Kingdom 400,128 38,654,705,664 IPv4 IPv4
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS13213 UK2NET-AS - UK-2 Limited, GB United Kingdom 190,464 1,345,781,760 IPv4 IPv4
AS199204 WebMate - Webmate Internet Services Ltd., GB United Kingdom 512 0 IPv4 IPv4
AS201060 snetterton - SNETTERTON TELECOM LIMITED, GB United Kingdom 768 0 IPv4 IPv4
AS209505 UNCHAINEDISP - Unchained ISP Limited, GB United Kingdom 768 4,295,032,832 IPv4 IPv4 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 30 Gbps 2022-09-12 10:21:13
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 LONAP - London Access Point 5.57.81.134 2001:7f8:17::c969:1 20 Gbps 2019-04-30 12:11:33

Private Peering Facilities

Country / Region Name City Website Updated
Telehouse - London (Docklands North) London http://www.telehouse.net 2016-03-14 20:39:16
Telehouse - London (Docklands West) London http://www.telehouse.net/ 2016-08-04 16:18:31
Equinix LD8 - London, Docklands London http://www.equinix.com/locations/ 2017-07-07 14:27:07
IP Address Domain NUMs Domains
5.133.168.34 2 ae.ribapension.org
5.133.168.101 11 bedforddentalimplants.com
5.133.168.110 31 clinic9.co.uk
5.133.168.156 19 aw-communities.co.uk
5.133.168.250 4 jibbacloud.co.uk
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