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): 71
Prefixes Originated (v4): 69
Prefixes Originated (v6): 2

Prefixes Announced (all): 71
Prefixes Announced (v4): 69
Prefixes Announced (v6): 2

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

BGP Peers Observed (all): 154
BGP Peers Observed (v4): 147
BGP Peers Observed (v6): 82

IPs Originated (v4): 72,192
AS Paths Observed (v4): 2,641
AS Paths Observed (v6): 1,272

Average AS Path Length (all): 3.716
Average AS Path Length (v4): 3.745
Average AS Path Length (v6): 3.656

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	ADSL_MA
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
80.209.188.0/23	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	Interdns Infrastructure
185.35.149.0/24	Interdns Dedicated Servers
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	sdchas_dsl_services
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	ICUK Computing Services Limited

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	INTERKVM HOST SRL		AS6204
7	Angola Cables		AS37468
8	GSL Networks Pty LTD	X	AS137409
9	iFog GmbH	X	AS34927
10	IP-Max SA	X	AS25091
11	Flag Telecom UK Limited		AS15412
12	atom86 BV	X	AS8455
13	Exascale Ltd	X	AS61049
14	PJSC "Vimpelcom"		AS3216
15	EDGEUNO S.A.S	X	AS7195
16	F5 Networks SARL	X	AS35280
17	Core-Backbone GmbH		AS33891
18	Inter.link GmbH	X	AS5405
19	SEACOM Limited	X	AS37100
20	Bharti Airtel Ltd		AS9498
21	GlobalConnect AB	X	AS12552
22	ALOO TELECOM - FSF TECNOLOGIA SA		AS61568
23	Zayo Infrastructure France SA	X	AS8218
24	Blix Solutions AS		AS50304
25	UK Dedicated Servers Limited		AS42831
26	Broadband Hosting B.V.		AS20562
27	Liquid Telecommunications Ltd	X	AS30844
28	IELO-LIAZO SERVICES SAS	X	AS29075
29	Durand do Brasil Ltda		AS22356
30	31173 Services AB	X	AS39351
31	ALT \| GRUPO BRASIL TECPAR		AS53062
32	ARISTO NETWORKS LTD		AS216265
33	Dimension Data		AS3741
34	PEER 1031 LLC		AS1031
35	Peravix Group LTD	X	AS204208
36	Fiber Telecom S.p.A.		AS41327
37	i3D.net B.V	X	AS49544
38	ParadoxNetworks Limited	X	AS52025
39	Viewqwest Pte Ltd		AS18106
40	NEAR IP, S.L.		AS49600
41	WIND TRE S.P.A.		AS1267
42	Blacknight Internet Solutions Limited	X	AS39122
43	Cilix Limited		AS215638
44	MIGO TELECOM		AS263152
45	Administracion Nacional de Telecomunicaciones	X	AS6057
46	ONETIS TECNOLOGIA LTDA		AS267256
47	West Indian Ocean Cable Company	X	AS37662
48	IT.Gate S.p.A.	X	AS12779
49	euNetworks GmbH		AS13237
50	DSM (GB) Limited	X	AS48070
51	Network Platforms (PTY) LTD		AS37497
52	Celeste SAS	X	AS34177
53	SG.GS	X	AS24482
54	Ote SA (Hellenic Telecommunications Organisation)		AS12713
55	Stadtwerke Feldkirch	X	AS48362
56	GlobeNet Cabos Submarinos Colombia, S.A.S.	X	AS52320
57	Convergenze S.p.A.	X	AS39120
58	Telkom SA Ltd.		AS5713
59	MTN SA		AS16637
60	NetIX Communications JSC		AS57463
61	Netia SA		AS12741
62	PT. Internet Madju Abad Milenindo	X	AS45701
63	Kanton Zug	X	AS51907
64	Orange Romania S.A.		AS9050
65	Hetzner Online GmbH	X	AS24940
66	CONVERGENCE (GROUP NETWORKS) LIMITED		AS41811
67	Proximus Luxembourg S.A.	X	AS56665
68	Global Network Management Inc		AS31500
69	Rocket Fibre Ltd	X	AS8801
70	SNETTERTON TELECOM LIMITED		AS201060
71	Adam Goodenough	X	AS210667
72	Wifirst S.A.S.	X	AS52075
73	NetActuate, Inc	X	AS36236
74	AFR-IX TELECOM S.A.	X	AS60171
75	KDDI Europe Ltd		AS6894
76	VeloxServ Communications Ltd	X	AS3170
77	Misaka Network, Inc.	X	AS917
78	Public Internet Ltd		AS28792
79	ADISTA SAS	X	AS16347
80	MainStreaming SpA	X	AS51185
81	CustodianDC Limited	X	AS50300
82	EX Networks Limited	X	AS35266
83	Neterra Ltd.		AS34224
84	Delta Telecom Ltd		AS29049
85	Tiggee LLC	X	AS16552
86	Cyprus Telecommunications Authority	X	AS6866
87	PT. Cyberindo Aditama		AS38158
88	Invesco Group Services, Inc.	X	AS14630
89	Inferno Communications Ltd		AS207841
90	Conor Lewis	X	AS214420
91	Patrizio Palumbo	X	AS211358
92	LINK AMERICAN		AS1000
93	Novelcomm LP	X	AS206735
94	Jump Networks Ltd	X	AS8943
95	EDGOO NETWORKS UNIPESSOAL LDA	X	AS6424
96	UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd		AS21215
97	Kantonsschule Zug	X	AS34288
98	team.blue NV	X	AS48185
99	RISE		AS63927
100	Sota Solutions Ltd.	X	AS31742
101	Atlantic Metro Communications II, Inc.		AS29838
102	IX Reach Ltd		AS4455
103	Tismi BV	X	AS62167
104	Claranet Limited	X	AS8426
105	Micron21 Datacentre Pty Ltd		AS38880
106	Valve Corporation	X	AS32590
107	Fibre Networks (Scotland) Limited		AS202076
108	OVH SAS	X	AS16276
109	Unitas Global	X	AS1828
110	Cool Ideas Service Provider (Pty) Ltd		AS37680
111	Connectivia S.r.l		AS207594
112	MC-IX Matrix Internet Exchange RS-1		AS55818
113	Converge ICT Solutions Inc.		AS17639
114	Main one Cable Company Nigeria Limited		AS37282
115	LEVEL EIGHTY-SIX COMMUNICATIONS LTD		AS212483
116	Telehouse EAD		AS57344
117	NOVACONN SRL	X	AS203462
118	INFORBARRA TELECOM		AS263903
119	Axclusive	X	AS132337
120	Gentlent GmbH	X	AS52112
121	M247 Europe SRL		AS9009
122	Emirates Integrated Telecommunications Company PJSC		AS15802
123	Virtual Technologies & Solutions		AS37721
124	StarHub Ltd		AS4657
125	Webmate Internet Services Ltd.		AS199204
126	SIACOM JSC		AS198150
127	Australian Academic and Research Network (AARNet)		AS7575
128	SARL IPSET		AS206014
129	Cogent Communications, LLC	X	AS1239
130	Rackdog, LLC	X	AS398465
131	Dyjix SAS		AS212815
132	Vorboss Limited	X	AS25160
133	IP ServerOne Solutions Sdn Bhd		AS45352
134	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
135	Ljosleidarinn ehf		AS12969
136	Worldline IGSA SA		AS47957
137	Wavenet Limited	X	AS5413
138	Inovare-Prim SRL		AS60602
139	CORIX NETWORKS		AS999
140	Continent 8 LLC		AS14537
141	Jude Gabriel Powell	X	AS213798
142	BSE Software GmbH		AS9044
143	IP TELECOM	X	AS61573
144	xTom GmbH	X	AS3214
145	Anexia Cloud Solutions GmbH	X	AS42473
146	Anycast Global Backbone	X	AS58511
147	LINK BRASIL TELECOMUNICACOES LTDA		AS271253

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	IP-Max SA	X	AS25091
7	GSL Networks Pty LTD	X	AS137409
8	iFog GmbH	X	AS34927
9	F5 Networks SARL	X	AS35280
10	SEACOM Limited	X	AS37100
11	Peravix Group LTD	X	AS204208
12	Zayo Infrastructure France SA	X	AS8218
13	Stadtwerke Feldkirch	X	AS48362
14	Inter.link GmbH	X	AS5405
15	GlobeNet Cabos Submarinos Colombia, S.A.S.	X	AS52320
16	Liquid Telecommunications Ltd	X	AS30844
17	Administracion Nacional de Telecomunicaciones	X	AS6057
18	atom86 BV	X	AS8455
19	GlobalConnect AB	X	AS12552
20	Conor Lewis	X	AS214420
21	Gentlent GmbH	X	AS52112
22	Invesco Group Services, Inc.	X	AS14630
23	PT. Internet Madju Abad Milenindo	X	AS45701
24	Sota Solutions Ltd.	X	AS31742
25	Tismi BV	X	AS62167
26	VeloxServ Communications Ltd	X	AS3170
27	EDGEUNO S.A.S	X	AS7195
28	Convergenze S.p.A.	X	AS39120
29	xTom GmbH	X	AS3214
30	Wavenet Limited	X	AS5413
31	Cogent Communications, LLC	X	AS1239
32	Rackdog, LLC	X	AS398465
33	NetActuate, Inc	X	AS36236
34	IP TELECOM	X	AS61573
35	Kanton Zug	X	AS51907
36	team.blue NV	X	AS48185
37	IELO-LIAZO SERVICES SAS	X	AS29075
38	Wifirst S.A.S.	X	AS52075
39	EDGOO NETWORKS UNIPESSOAL LDA	X	AS6424
40	SG.GS	X	AS24482
41	ParadoxNetworks Limited	X	AS52025
42	NOVACONN SRL	X	AS203462
43	Digiweb ltd		AS31122
44	Exascale Ltd	X	AS61049
45	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
46	Adam Goodenough	X	AS210667
47	EX Networks Limited	X	AS35266
48	AFR-IX TELECOM S.A.	X	AS60171
49	West Indian Ocean Cable Company	X	AS37662
50	ADISTA SAS	X	AS16347
51	31173 Services AB	X	AS39351
52	Lewis Foster		AS215332
53	Rocket Fibre Ltd	X	AS8801
54	Cyprus Telecommunications Authority	X	AS6866
55	i3D.net B.V	X	AS49544
56	Hetzner Online GmbH	X	AS24940
57	Joseph Rawlings trading as Virtnet.bond		AS214022
58	Jump Networks Ltd	X	AS8943
59	Blacknight Internet Solutions Limited	X	AS39122
60	MoeDove LLC		AS44324
61	IT.Gate S.p.A.	X	AS12779
62	Unitas Global	X	AS1828
63	Axclusive	X	AS132337
64	CustodianDC Limited	X	AS50300
65	Patrizio Palumbo	X	AS211358
66	Anexia Cloud Solutions GmbH	X	AS42473
67	Novelcomm LP	X	AS206735
68	Claranet Limited	X	AS8426
69	MainStreaming SpA	X	AS51185
70	Valve Corporation	X	AS32590
71	Kantonsschule Zug	X	AS34288
72	OVH SAS	X	AS16276
73	Vorboss Limited	X	AS25160
74	Zain Omantel International FZ-LLC		AS8529
75	Proximus Luxembourg S.A.	X	AS56665
76	Tiggee LLC	X	AS16552
77	Jude Gabriel Powell	X	AS213798
78	Misaka Network, Inc.	X	AS917
79	TECHIT.BE SRL		AS213241
80	Celeste SAS	X	AS34177
81	Anycast Global Backbone	X	AS58511
82	DSM (GB) Limited	X	AS48070

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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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