AS51561 ICUK Computing Services Limited

Company Website:

https://www.icuk.net/

Looking Glass:

https://bgp.he.net/lg/51561

Country of Origin:

Internet Exchanges: 3

Prefixes Originated (all): 70
Prefixes Originated (v4): 68
Prefixes Originated (v6): 2

Prefixes Announced (all): 70
Prefixes Announced (v4): 68
Prefixes Announced (v6): 2

RPKI Originated Valid (all): 6
RPKI Originated Valid (v4): 6
RPKI Originated Valid (v6): 0

BGP Peers Observed (all): 156
BGP Peers Observed (v4): 147
BGP Peers Observed (v6): 86

IPs Originated (v4): 71,680
AS Paths Observed (v4): 2,593
AS Paths Observed (v6): 1,264

Average AS Path Length (all): 3.691
Average AS Path Length (v4): 3.710
Average AS Path Length (v6): 3.652

AS51561 IPv4 Peers

ASN	Name
AS13335	Cloudflare, Inc.
AS3356	Level 3 Parent, LLC
AS174	Cogent Communications, LLC
AS2914	NTT America, Inc.
AS6939	Hurricane Electric LLC

AS51561 IPv6 Peers

ASN	Name
AS174	Cogent Communications, LLC
AS6939	Hurricane Electric LLC
AS3356	Level 3 Parent, LLC
AS2914	NTT America, Inc.
AS9002	RETN Limited

AS51561 IPv4 Peer Count

AS51561 IPv6 Peer Count

AS51561 IPv4 Prefixes Announced

AS51561 IPv6 Prefixes Announced

AS51561 IPv4 Prefixes Originated

AS51561 IPv6 Prefixes Originated

AS51561 IPv4 Route Propagation

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AS51561 IPv6 Route Propagation

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Prefix	Description	Visibility
Loading Prefixes...

Prefix	Description
2.56.84.0/22	ICUK Computing Services Limited
5.133.168.0/23	Jibba Jabba Internet Services Ltd
5.133.170.0/23	Jibba Jabba Internet Services Ltd
5.254.162.0/23	Gary Hall
5.254.164.0/23	ADSL_MA
37.235.43.0/24	Shetland Broadband LLP
45.93.112.0/22	ICUK Computing Services Limited
45.93.112.0/23	ICUK Computing Services Limited
45.145.86.0/23	Fluidity Connect Limited
46.33.128.0/19	ICUK Computing Services Limited
46.33.128.0/24	Interdsl Network Structure
46.33.130.0/24	Interdsl
46.33.156.0/24	ICUK Computing Services Limited
46.102.192.0/19	ICUK Computing Services Limited
46.102.192.0/24	Interdsl
46.102.193.0/24	Interdsl
46.226.120.0/24	Agile ICT Ltd
80.95.192.0/20	ICUK Computing Services Limited
80.209.128.0/19	ICUK Computing Services Limited
80.209.128.0/24	ICUK Computing Services Limited
80.209.155.0/24	ICUK Computing Services Limited
80.209.159.0/24	ICUK Computing Services Limited
80.209.160.0/20	ICUK Computing Services Limited
80.209.176.0/21	ICUK Computing Services Limited
80.209.184.0/22	ICUK Computing Services Limited
80.247.216.0/24	CEF (W) SA
82.39.142.0/24	VersaTek
89.107.24.0/22	CSD Communications Ltd
91.233.33.0/24	Metropolitan Networks UK Ltd
138.124.128.0/20	ICUK Computing Services Limited
138.124.128.0/24	ICUK Computing Services Limited
138.124.134.0/24	ICUK Computing Services Limited
138.124.135.0/24	ICUK Computing Services Limited
138.124.136.0/24	ICUK Computing Services Limited
138.124.137.0/24	ICUK Computing Services Limited
138.124.138.0/24	ICUK Computing Services Limited
138.124.142.0/24	ICUK Computing Services Limited
181.215.32.0/24	No Metric Limited
185.2.236.0/22	ICUK Computing Services Limited
185.32.55.0/24	David Tomlinson & Paul McAllion trading as Lantec Systems
185.35.148.0/22	ICUK Computing Services Limited
185.35.148.0/24
185.35.149.0/24
185.35.150.0/24
185.35.151.0/24
185.132.52.0/24	NWIMS-Communications
185.137.240.0/24	ICUK Global CDN Platform
185.140.16.0/23	ICUK Computing Services Limited
185.140.18.0/23	ICUK Computing Services Limited
185.145.152.0/22	ICUK Computing Services Limited
185.145.152.0/24	ICUK Computing Services Limited
185.152.2.0/24	Will Dear
185.201.208.0/22	CTR Communications Limited
185.234.255.0/24	Network 79 Ltd
185.243.62.0/24	Multidata Ltd
185.243.63.0/24	Multidata Ltd
185.253.88.0/24	Adrian Morris
188.211.249.0/24	Select Comms LTD
188.240.160.0/19	ICUK Computing Services Limited
188.240.160.0/24	Interdsl
188.240.172.0/24	Interdsl
188.240.173.0/24	Interdsl
188.240.191.0/24	Interdsl
193.161.9.0/24	HP Networks Ltd
193.161.10.0/24	HP Networks Ltd
193.187.0.0/24	Select Comms LTD
205.157.160.0/19	ICUK Computing Services Limited
205.157.160.0/24

Prefix	Description	Visibility
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Prefix	Description
2a00:b900::/32	ICUK Computing Services Limited
2a00:b900:2::/48	ICUK Computing Services Limited

Bogon Prefixes
Prefix	Type	Status

Rank	Description	IPv6	Peer
1	Cloudflare, Inc.		AS13335
2	Level 3 Parent, LLC	X	AS3356
3	Cogent Communications, LLC	X	AS174
4	NTT America, Inc.	X	AS2914
5	Hurricane Electric LLC	X	AS6939
6	BR.Digital Telecom		AS14840
7	GSL Networks Pty LTD	X	AS137409
8	INTERKVM HOST SRL	X	AS6204
9	Angola Cables		AS37468
10	iFog GmbH	X	AS34927
11	IP-Max SA	X	AS25091
12	Inter.link GmbH	X	AS5405
13	Core-Backbone GmbH		AS33891
14	Exascale Ltd		AS61049
15	Flag Telecom UK Limited		AS15412
16	F5 Networks SARL	X	AS35280
17	meerfarbig GmbH & Co. KG	X	AS34549
18	PJSC "Vimpelcom"		AS3216
19	EDGEUNO S.A.S	X	AS7195
20	ALOO TELECOM - FSF TECNOLOGIA SA		AS61568
21	Zayo Infrastructure France SA	X	AS8218
22	GlobalConnect AB	X	AS12552
23	Bharti Airtel Ltd		AS9498
24	SEACOM Limited	X	AS37100
25	CJSC RASCOM		AS20764
26	GoCodeIT Inc		AS835
27	Blix Solutions AS	X	AS50304
28	xTom GmbH	X	AS3214
29	Liquid Telecommunications Ltd	X	AS30844
30	ARISTO NETWORKS LTD		AS216265
31	ALT \| GRUPO BRASIL TECPAR		AS53062
32	West Indian Ocean Cable Company	X	AS37662
33	PEER 1031 LLC		AS1031
34	Cilix Limited	X	AS215638
35	31173 Services AB	X	AS39351
36	Dimension Data		AS3741
37	Broadband Hosting B.V.	X	AS20562
38	IELO-LIAZO SERVICES SAS	X	AS29075
39	Network Platforms (PTY) LTD		AS37497
40	IT.Gate S.p.A.	X	AS12779
41	MTN SA		AS16637
42	Peravix Group LTD	X	AS204208
43	atom86 BV	X	AS8455
44	ONETIS TECNOLOGIA LTDA		AS267256
45	Celeste SAS	X	AS34177
46	Stadtwerke Feldkirch	X	AS48362
47	Telkom SA Ltd.		AS5713
48	Ote SA (Hellenic Telecommunications Organisation)		AS12713
49	Inferno Communications Ltd		AS207841
50	Viewqwest Pte Ltd		AS18106
51	SG.GS	X	AS24482
52	euNetworks GmbH		AS13237
53	GlobeNet Cabos Submarinos Colombia, S.A.S.	X	AS52320
54	Blacknight Internet Solutions Limited	X	AS39122
55	i3D.net B.V	X	AS49544
56	WIND TRE S.P.A.		AS1267
57	Fiber Telecom S.p.A.	X	AS41327
58	team.blue NV	X	AS48185
59	Webmate Internet Services Ltd.		AS199204
60	Tiggee LLC	X	AS16552
61	Rackdog, LLC	X	AS398465
62	Virtual Technologies & Solutions		AS37721
63	Neterra Ltd.		AS34224
64	StarHub Ltd		AS4657
65	Connectivia S.r.l		AS207594
66	CustodianDC Limited	X	AS50300
67	Fibre Networks (Scotland) Limited		AS202076
68	RISE		AS63927
69	Worldline IGSA SA		AS47957
70	white2net Srl		AS209768
71	LEVEL EIGHTY-SIX COMMUNICATIONS LTD		AS212483
72	Rocket Fibre Ltd	X	AS8801
73	Adam Goodenough	X	AS210667
74	Wavenet Limited	X	AS5413
75	Convergenze S.p.A.	X	AS39120
76	Dyjix SAS		AS212815
77	Wifirst S.A.S.	X	AS52075
78	M247 Europe SRL		AS9009
79	Hetzner Online GmbH	X	AS24940
80	Claranet Limited	X	AS8426
81	Australian Academic and Research Network (AARNet)		AS7575
82	IP TELECOM	X	AS61573
83			AS65102
84	Viva Armenia CJSC		AS43733
85	Axclusive	X	AS132337
86	Vorboss Limited	X	AS25160
87	Emirates Integrated Telecommunications Company PJSC		AS15802
88	Netia SA		AS12741
89	Jump Networks Ltd	X	AS8943
90	Tismi BV	X	AS62167
91	Lancom Ltd.		AS199081
92	DSM (GB) Limited	X	AS48070
93	ADISTA SAS	X	AS16347
94	SIACOM JSC		AS198150
95	LINK BRASIL TELECOMUNICACOES LTDA		AS271253
96	NetActuate, Inc	X	AS36236
97	AFR-IX TELECOM S.A.	X	AS60171
98	Misaka Network, Inc.	X	AS917
99	INFORBARRA TELECOM		AS263903
100	Vodacom		AS36994
101	EX Networks Limited	X	AS35266
102	IP ServerOne Solutions Sdn Bhd		AS45352
103	Proximus Luxembourg S.A.	X	AS56665
104	IX Reach Ltd		AS4455
105	MainStreaming SpA	X	AS51185
106	Converge ICT Solutions Inc.		AS17639
107	Novelcomm LP	X	AS206735
108	EDGOO NETWORKS UNIPESSOAL LDA	X	AS6424
109	VeloxServ Communications Ltd	X	AS3170
110	Continent 8 LLC		AS14537
111	KDDI Europe Ltd		AS6894
112	Main one Cable Company Nigeria Limited		AS37282
113	Invesco Group Services, Inc.	X	AS14630
114	CORIX NETWORKS		AS999
115	BSE Software GmbH		AS9044
116	Ljosleidarinn ehf		AS12969
117	OVH SAS	X	AS16276
118	PT. Cyberindo Aditama		AS38158
119	MIGO TELECOM		AS263152
120	Lagrange Cloud Technologies Limited	X	AS209735
121	Telehouse EAD		AS57344
122	Anexia Cloud Solutions GmbH	X	AS42473
123	Valve Corporation	X	AS32590
124	Cogent Communications, LLC	X	AS1239
125	Inovare-Prim SRL		AS60602
126	CONVERGENCE (GROUP NETWORKS) LIMITED		AS41811
127	Patrizio Palumbo		AS211358
128	Sota Solutions Ltd.	X	AS31742
129	UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd		AS21215
130	Exatel S.A.		AS20804
131	Anycast Global Backbone	X	AS58511
132	TurkNet Iletisim Hizmetleri A.S.		AS12735
133	PT. Internet Madju Abad Millenindo	X	AS45701
134	Public Internet Ltd		AS28792
135	Kantonsschule Zug	X	AS34288
136	Unitas Global	X	AS1828
137	Jude Gabriel Powell	X	AS213798
138	Cyprus Telecommunications Authority	X	AS6866
139	Cool Ideas Service Provider (Pty) Ltd		AS37680
140	Micron21 Datacentre Pty Ltd		AS38880
141	ParadoxNetworks Limited	X	AS52025
142	SNETTERTON TELECOM LIMITED		AS201060
143	Global Network Management Inc		AS31500
144	NOVACONN SRL	X	AS203462
145	NetIX Communications JSC		AS57463
146	Kanton Zug	X	AS51907
147	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049

Rank	Description	IPv4	Peer
1	Cogent Communications, LLC	X	AS174
2	Hurricane Electric LLC	X	AS6939
3	Level 3 Parent, LLC	X	AS3356
4	NTT America, Inc.	X	AS2914
5	RETN Limited		AS9002
6	xTom GmbH	X	AS3214
7	IP-Max SA	X	AS25091
8	GSL Networks Pty LTD	X	AS137409
9	meerfarbig GmbH & Co. KG	X	AS34549
10	F5 Networks SARL	X	AS35280
11	SEACOM Limited	X	AS37100
12	iFog GmbH	X	AS34927
13	Zayo Infrastructure France SA	X	AS8218
14	atom86 BV	X	AS8455
15	GlobeNet Cabos Submarinos Colombia, S.A.S.	X	AS52320
16	Liquid Telecommunications Ltd	X	AS30844
17	INTERKVM HOST SRL	X	AS6204
18	Stadtwerke Feldkirch	X	AS48362
19	NEAR IP, S.L.		AS49600
20	Inter.link GmbH	X	AS5405
21	Blix Solutions AS	X	AS50304
22	IT.Gate S.p.A.	X	AS12779
23	Adam Goodenough	X	AS210667
24	PT. Internet Madju Abad Millenindo	X	AS45701
25	OVH SAS	X	AS16276
26	Kantonsschule Zug	X	AS34288
27	Rocket Fibre Ltd	X	AS8801
28	West Indian Ocean Cable Company	X	AS37662
29	i3D.net B.V	X	AS49544
30	ParadoxNetworks Limited	X	AS52025
31	Axclusive	X	AS132337
32	Jude Gabriel Powell	X	AS213798
33	Conor Lewis		AS214420
34	IP TELECOM	X	AS61573
35	Joseph Rawlings trading as Virtnet.bond		AS214022
36	Anycast Global Backbone	X	AS58511
37	Celeste SAS	X	AS34177
38	Sota Solutions Ltd.	X	AS31742
39	Cogent Communications, LLC	X	AS1239
40	NetActuate, Inc	X	AS36236
41	Tiggee LLC	X	AS16552
42	Kanton Zug	X	AS51907
43	Cyprus Telecommunications Authority	X	AS6866
44	TECHIT.BE SRL		AS213241
45	DSM (GB) Limited	X	AS48070
46	Wavenet Limited	X	AS5413
47	ADISTA SAS	X	AS16347
48	VeloxServ Communications Ltd	X	AS3170
49	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
50	Peravix Group LTD	X	AS204208
51	EX Networks Limited	X	AS35266
52	Digiweb ltd		AS31122
53	IELO-LIAZO SERVICES SAS	X	AS29075
54	Jump Networks Ltd	X	AS8943
55	CustodianDC Limited	X	AS50300
56	Novelcomm LP	X	AS206735
57	team.blue NV	X	AS48185
58	EDGOO NETWORKS UNIPESSOAL LDA	X	AS6424
59	Claranet Limited	X	AS8426
60	SG.GS	X	AS24482
61	AFR-IX TELECOM S.A.	X	AS60171
62	MoeDove LLC		AS44324
63	31173 Services AB	X	AS39351
64	Misaka Network, Inc.	X	AS917
65	Lewis Foster		AS215332
66	Vorboss Limited	X	AS25160
67	Wifirst S.A.S.	X	AS52075
68	Fiber Telecom S.p.A.	X	AS41327
69	EDGEUNO S.A.S	X	AS7195
70	Cilix Limited	X	AS215638
71	NOVACONN SRL	X	AS203462
72	Hetzner Online GmbH	X	AS24940
73	Zain Omantel International FZ-LLC		AS8529
74	Anexia Cloud Solutions GmbH	X	AS42473
75	Tismi BV	X	AS62167
76	Convergenze S.p.A.	X	AS39120
77	GlobalConnect AB	X	AS12552
78	Unitas Global	X	AS1828
79	Proximus Luxembourg S.A.	X	AS56665
80	Lagrange Cloud Technologies Limited	X	AS209735
81	Blacknight Internet Solutions Limited	X	AS39122
82	Invesco Group Services, Inc.	X	AS14630
83	MainStreaming SpA	X	AS51185
84	Broadband Hosting B.V.	X	AS20562
85	Rackdog, LLC	X	AS398465
86	Valve Corporation	X	AS32590

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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: DUMY-RIPE tech-c: DUMY-RIPE status: ASSIGNED mnt-by: RIPE-NCC-END-MNT mnt-by: ICUK-MNT created: 2010-09-28T13:41:49Z last-modified: 2026-02-24T16:52:22Z source: RIPE remarks: cf-validation: 30b6d34f3d64496a9a733f6622439db3 remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: ****************************

Exchange	CC	City	IPv4	IPv6
LINX LON1	GB	London	195.66.226.191	2001:7f8:4::c969:1
LINX LON2	GB	London	195.66.238.191	2001:7f8:4:1::c969:1
LoNAP	GB	London	5.57.81.134	2001:7f8:17::c969:1

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