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): 73
Prefixes Originated (v4): 71
Prefixes Originated (v6): 2

Prefixes Announced (all): 73
Prefixes Announced (v4): 71
Prefixes Announced (v6): 2

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

RPKI Originated Invalid (all): 1
RPKI Originated Invalid (v4): 1
RPKI Originated Invalid (v6): 0

BGP Peers Observed (all): 158
BGP Peers Observed (v4): 145
BGP Peers Observed (v6): 111

IPs Originated (v4): 72,704
AS Paths Observed (v4): 2,444
AS Paths Observed (v6): 1,190

Average AS Path Length (all): 3.697
Average AS Path Length (v4): 3.687
Average AS Path Length (v6): 3.717

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
AS34927	iFog GmbH
AS137409	GSL Networks Pty LTD
AS7195	EDGEUNO S.A.S
AS14840	BR.Digital Telecom
AS25091	IP-Max SA

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
80.93.207.0/24	NET-80-93-207-0-24
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	Mo's Operations GmbH
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	ICUK Computing Services Limited
217.22.12.0/24	Wave Mobile Ltd

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	GSL Networks Pty LTD	X	AS137409
7	INTERKVM HOST SRL	X	AS6204
8	Angola Cables		AS37468
9	BR.Digital Telecom	X	AS14840
10	Exascale Ltd		AS61049
11	Cilix Limited	X	AS215638
12	iFog GmbH	X	AS34927
13	EDGEUNO S.A.S	X	AS7195
14	Core-Backbone GmbH	X	AS33891
15	IP-Max SA	X	AS25091
16	atom86 BV	X	AS8455
17	meerfarbig GmbH & Co. KG	X	AS34549
18	F5 Networks SARL	X	AS35280
19	Broadband Hosting B.V.	X	AS20562
20	Inter.link GmbH	X	AS5405
21	Zayo Infrastructure France SA	X	AS8218
22	PJSC "Vimpelcom"		AS3216
23	Bharti Airtel Ltd		AS9498
24	GlobalConnect AB	X	AS12552
25	Flag Telecom UK Limited		AS15412
26	GGNET TELECOMUNICACOES LTDA		AS53062
27	Global Network Management Inc	X	AS31500
28	SEACOM Limited	X	AS37100
29	xTom GmbH	X	AS3214
30	IELO-LIAZO SERVICES SAS	X	AS29075
31	Blix Solutions AS		AS50304
32	31173 Services AB	X	AS39351
33	Dimension Data		AS3741
34	Liquid Telecommunications Ltd	X	AS30844
35	Fiber Telecom S.p.A.	X	AS41327
36	Network Platforms (PTY) LTD		AS37497
37	ALOO TELECOM - FSF TECNOLOGIA SA		AS61568
38	VeloxServ Communications Ltd	X	AS3170
39	MTN SA		AS16637
40	MTS PJSC		AS8359
41	Viewqwest Pte Ltd	X	AS18106
42	Administracion Nacional de Telecomunicaciones	X	AS6057
43	euNetworks GmbH		AS13237
44	West Indian Ocean Cable Company	X	AS37662
45	DSM (GB) Limited	X	AS48070
46	MIGO TELECOM		AS263152
47	PEER 1031 LLC	X	AS1031
48	Emirates Integrated Telecommunications Company PJSC	X	AS15802
49	Celeste SAS	X	AS34177
50	SG.GS	X	AS24482
51	Telkom SA Ltd.	X	AS5713
52	IT.Gate S.p.A.	X	AS12779
53	Stadtwerke Feldkirch	X	AS48362
54	Blacknight Internet Solutions Limited	X	AS39122
55	WIND TRE S.P.A.		AS1267
56	M247 Europe SRL		AS9009
57	IX Reach Ltd	X	AS4455
58	Convergenze S.p.A.	X	AS39120
59	Conor Lewis	X	AS214420
60	Tiggee LLC	X	AS16552
61	Ote SA (Hellenic Telecommunications Organisation)		AS12713
62	MainStreaming SpA	X	AS51185
63	i3D.net B.V	X	AS49544
64	Ljosleidarinn ehf		AS12969
65	Converge ICT Solutions Inc.	X	AS17639
66	Sota Solutions Ltd.	X	AS31742
67	NOVACONN SRL	X	AS203462
68	Continent 8 LLC	X	AS14537
69	Worldline IGSA SA	X	AS47957
70	Peravix Group LTD	X	AS204208
71	CustodianDC Limited	X	AS50300
72	NetActuate, Inc	X	AS36236
73	Proximus Luxembourg S.A.	X	AS56665
74	Cogent Communications, LLC	X	AS1239
75	Cool Ideas Service Provider (Pty) Ltd		AS37680
76	NetIX Communications JSC	X	AS57463
77	Claranet Limited	X	AS8426
78	AFR-IX TELECOM S.A.	X	AS60171
79	Hetzner Online GmbH	X	AS24940
80	Unitas Global	X	AS1828
81	PT. Internet Madju Abad Milenindo	X	AS45701
82	TurkNet Iletisim Hizmetleri A.S.		AS12735
83	Rackdog, LLC	X	AS398465
84	EX Networks Limited	X	AS35266
85	SIACOM JSC	X	AS198150
86	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
87	Connectivia S.r.l	X	AS207594
88	Adam Goodenough	X	AS210667
89	KDDI Europe Ltd	X	AS6894
90	SNETTERTON TELECOM LIMITED		AS201060
91	Neterra Ltd.		AS34224
92	Inferno Communications Ltd	X	AS207841
93	Australian Academic and Research Network (AARNet)		AS7575
94	IP ServerOne Solutions Sdn Bhd		AS45352
95	Anexia Cloud Solutions GmbH	X	AS42473
96	PT. Cyberindo Aditama		AS38158
97	Vorboss Limited	X	AS25160
98	Wavenet Limited	X	AS5413
99	Kanton Zug	X	AS51907
100	Dyjix SAS		AS212815
101	Rocket Fibre Ltd	X	AS8801
102	Valve Corporation		AS32590
103	Kantonsschule Zug	X	AS34288
104	S3 Company Ltd		AS4849
105	Misaka Network, Inc.	X	AS917
106	LINK AMERICAN		AS1000
107	INFORBARRA TELECOM		AS263903
108	team.blue NV	X	AS48185
109	Webmate Internet Services Ltd.		AS199204
110	Public Internet Ltd		AS28792
111	BSE Software GmbH		AS9044
112	RISE	X	AS63927
113	CORIX NETWORKS		AS999
114	Virtual Technologies & Solutions	X	AS37721
115	Gentlent GmbH	X	AS52112
116	Micron21 Datacentre Pty Ltd		AS38880
117	Patrizio Palumbo	X	AS211358
118	Axclusive	X	AS132337
119	Novelcomm LP	X	AS206735
120	UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd		AS21215
121	China Mobile International Limited		AS58453
122	SARL IPSET	X	AS206014
123	Telehouse EAD		AS57344
124	ARISTO NETWORKS LTD		AS216265
125	OVH SAS	X	AS16276
126	Main one Cable Company Nigeria Limited		AS37282
127	LINK BRASIL TELECOMUNICACOES LTDA		AS271253
128			AS65102
129	Tismi BV	X	AS62167
130	Anycast Global Backbone	X	AS58511
131	Jump Networks Ltd	X	AS8943
132	James Cahill	X	AS214749
133	Lancom Ltd.	X	AS199081
134	Wifirst S.A.S.	X	AS52075
135	Jude Gabriel Powell	X	AS213798
136	Inovare-Prim SRL	X	AS60602
137	EDGOO NETWORKS UNIPESSOAL LDA	X	AS6424
138	Netia SA		AS12741
139	IP TELECOM	X	AS61573
140	ADISTA SAS	X	AS16347
141	Prime Telecom srl		AS39737
142	Primetel PLC		AS8544
143	Invesco Group Services, Inc.	X	AS14630
144	CONVERGENCE (GROUP NETWORKS) LIMITED		AS41811
145	LEVEL EIGHTY-SIX COMMUNICATIONS LTD	X	AS212483

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	iFog GmbH	X	AS34927
7	GSL Networks Pty LTD	X	AS137409
8	EDGEUNO S.A.S	X	AS7195
9	BR.Digital Telecom	X	AS14840
10	IP-Max SA	X	AS25091
11	meerfarbig GmbH & Co. KG	X	AS34549
12	xTom GmbH	X	AS3214
13	F5 Networks SARL	X	AS35280
14	SEACOM Limited	X	AS37100
15	INTERKVM HOST SRL	X	AS6204
16	IELO-LIAZO SERVICES SAS	X	AS29075
17	Liquid Telecommunications Ltd	X	AS30844
18	Peravix Group LTD	X	AS204208
19	Cilix Limited	X	AS215638
20	Zayo Infrastructure France SA	X	AS8218
21	Zain Omantel International FZ-LLC		AS8529
22	Administracion Nacional de Telecomunicaciones	X	AS6057
23	atom86 BV	X	AS8455
24	GlobalConnect AB	X	AS12552
25	Fiber Telecom S.p.A.	X	AS41327
26	CJSC RASCOM		AS20764
27	Viewqwest Pte Ltd	X	AS18106
28	Joseph Rawlings trading as Virtnet.bond		AS214022
29	Inter.link GmbH	X	AS5405
30	MoeDove LLC		AS44324
31	Core-Backbone GmbH	X	AS33891
32	Stadtwerke Feldkirch	X	AS48362
33	31173 Services AB	X	AS39351
34	IP TELECOM	X	AS61573
35	Thomas BOUZIN		AS219331
36	CustodianDC Limited	X	AS50300
37	PT. Internet Madju Abad Milenindo	X	AS45701
38	Continent 8 LLC	X	AS14537
39	KDDI Europe Ltd	X	AS6894
40	Emirates Integrated Telecommunications Company PJSC	X	AS15802
41	Telkom SA Ltd.	X	AS5713
42	Proximus Luxembourg S.A.	X	AS56665
43	Inferno Communications Ltd	X	AS207841
44	Broadband Hosting B.V.	X	AS20562
45	James Cahill	X	AS214749
46	i3D.net B.V	X	AS49544
47	Anycast Global Backbone	X	AS58511
48	Rocket Fibre Ltd	X	AS8801
49	TECHIT.BE SRL		AS213241
50	Tismi BV	X	AS62167
51	Kantonsschule Zug	X	AS34288
52	Convergenze S.p.A.	X	AS39120
53	MainStreaming SpA	X	AS51185
54	AFR-IX TELECOM S.A.	X	AS60171
55	Invesco Group Services, Inc.	X	AS14630
56	Gentlent GmbH	X	AS52112
57	Sota Solutions Ltd.	X	AS31742
58	EX Networks Limited	X	AS35266
59	EDGOO NETWORKS UNIPESSOAL LDA	X	AS6424
60	NetIX Communications JSC	X	AS57463
61	Connectivia S.r.l	X	AS207594
62	SG.GS	X	AS24482
63	ADISTA SAS	X	AS16347
64	Global Network Management Inc	X	AS31500
65	Kanton Zug	X	AS51907
66	Blacknight Internet Solutions Limited	X	AS39122
67	Lewis Foster		AS215332
68	VeloxServ Communications Ltd	X	AS3170
69	LEVEL EIGHTY-SIX COMMUNICATIONS LTD	X	AS212483
70	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
71	Adam Goodenough	X	AS210667
72	Worldline IGSA SA	X	AS47957
73	Anexia Cloud Solutions GmbH	X	AS42473
74	West Indian Ocean Cable Company	X	AS37662
75	Hetzner Online GmbH	X	AS24940
76	Data Communication Business Group		AS3462
77	Johannes Ernst		AS212895
78	Novelcomm LP	X	AS206735
79	IT.Gate S.p.A.	X	AS12779
80	Jude Gabriel Powell	X	AS213798
81	Virtual Technologies & Solutions	X	AS37721
82	ParadoxNetworks Limited		AS52025
83	Unitas Global	X	AS1828
84	Axclusive	X	AS132337
85	Vodacom		AS36994
86	Conor Lewis	X	AS214420
87	Converge ICT Solutions Inc.	X	AS17639
88	NetActuate, Inc	X	AS36236
89	SIACOM JSC	X	AS198150
90	RISE	X	AS63927
91	team.blue NV	X	AS48185
92	Jump Networks Ltd	X	AS8943
93	SARL IPSET	X	AS206014
94	IX Reach Ltd	X	AS4455
95	Cogent Communications, LLC	X	AS1239
96	Misaka Network, Inc.	X	AS917
97	Claranet Limited	X	AS8426
98	Wavenet Limited	X	AS5413
99	Digiweb ltd		AS31122
100	Rackdog, LLC	X	AS398465
101	Tiggee LLC	X	AS16552
102	Lancom Ltd.	X	AS199081
103	Vorboss Limited	X	AS25160
104	Inovare-Prim SRL	X	AS60602
105	Celeste SAS	X	AS34177
106	Patrizio Palumbo	X	AS211358
107	DSM (GB) Limited	X	AS48070
108	OVH SAS	X	AS16276
109	PEER 1031 LLC	X	AS1031
110	NOVACONN SRL	X	AS203462
111	Wifirst S.A.S.	X	AS52075

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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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