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): 7
RPKI Originated Valid (v4): 7
RPKI Originated Valid (v6): 0

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

BGP Peers Observed (all): 157
BGP Peers Observed (v4): 144
BGP Peers Observed (v6): 108

IPs Originated (v4): 72,704
AS Paths Observed (v4): 2,466
AS Paths Observed (v6): 1,208

Average AS Path Length (all): 3.703
Average AS Path Length (v4): 3.698
Average AS Path Length (v6): 3.714

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
AS7195	EDGEUNO S.A.S
AS14840	BR.Digital Telecom

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	iFog GmbH	X	AS34927
7	GSL Networks Pty LTD	X	AS137409
8	Cilix Limited	X	AS215638
9	Angola Cables		AS37468
10	INTERKVM HOST SRL	X	AS6204
11	EDGEUNO S.A.S	X	AS7195
12	BR.Digital Telecom	X	AS14840
13	GGNET TELECOMUNICACOES LTDA		AS53062
14	Zayo Infrastructure France SA	X	AS8218
15	Core-Backbone GmbH	X	AS33891
16	meerfarbig GmbH & Co. KG	X	AS34549
17	Inter.link GmbH	X	AS5405
18	IP-Max SA	X	AS25091
19	SEACOM Limited	X	AS37100
20	PJSC "Vimpelcom"		AS3216
21	Broadband Hosting B.V.	X	AS20562
22	F5 Networks SARL	X	AS35280
23	Bharti Airtel Ltd		AS9498
24	Global Network Management Inc	X	AS31500
25	atom86 BV	X	AS8455
26	GlobalConnect AB	X	AS12552
27	xTom GmbH	X	AS3214
28	PEER 1031 LLC	X	AS1031
29	Blix Solutions AS		AS50304
30	Huge Solucoes Corporativas Ltda	X	AS264409
31	ALOO TELECOM - FSF TECNOLOGIA SA		AS61568
32	Flag Telecom UK Limited		AS15412
33	Exascale Ltd		AS61049
34	IELO-LIAZO SERVICES SAS	X	AS29075
35	Fiber Telecom S.p.A.	X	AS41327
36	Dimension Data		AS3741
37	ARISTO NETWORKS LTD		AS216265
38	Liquid Telecommunications Ltd	X	AS30844
39	31173 Services AB	X	AS39351
40	Network Platforms (PTY) LTD		AS37497
41	Viewqwest Pte Ltd	X	AS18106
42	WIND TRE S.P.A.		AS1267
43	Celeste SAS	X	AS34177
44	IT.Gate S.p.A.	X	AS12779
45	Stadtwerke Feldkirch	X	AS48362
46	West Indian Ocean Cable Company	X	AS37662
47	MIGO TELECOM		AS263152
48	Blacknight Internet Solutions Limited	X	AS39122
49	MC-IX Matrix Internet Exchange RS-1		AS55818
50	MTN SA		AS16637
51	euNetworks GmbH		AS13237
52	SG.GS	X	AS24482
53	i3D.net B.V	X	AS49544
54	Neterra Ltd.		AS34224
55	EDGOO NETWORKS UNIPESSOAL LDA	X	AS6424
56	12651980 CANADA INC.	X	AS399486
57	IP ServerOne Solutions Sdn Bhd		AS45352
58	Jump Networks Ltd	X	AS8943
59	James Cahill	X	AS214749
60	Emirates Integrated Telecommunications Company PJSC		AS15802
61	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
62	Jude Gabriel Powell	X	AS213798
63	OVH SAS	X	AS16276
64	NetActuate, Inc	X	AS36236
65	S3 Company Ltd		AS4849
66	Anexia Cloud Solutions GmbH	X	AS42473
67	Australian Academic and Research Network (AARNet)		AS7575
68	Telkom SA Ltd.		AS5713
69	Axclusive	X	AS132337
70	Misaka Network, Inc.	X	AS917
71	Claranet Limited	X	AS8426
72	INFORBARRA TELECOM		AS263903
73	BSE Software GmbH		AS9044
74	NOVACONN SRL	X	AS203462
75	IX Reach Ltd	X	AS4455
76	Micron21 Datacentre Pty Ltd		AS38880
77	Kanton Zug	X	AS51907
78	CORIX NETWORKS		AS999
79	Rackdog, LLC	X	AS398465
80	Hetzner Online GmbH	X	AS24940
81	Wavenet Limited	X	AS5413
82	Telehouse EAD		AS57344
83	Lancom Ltd.	X	AS199081
84	Peravix Group LTD	X	AS204208
85	Netia SA		AS12741
86	DSM (GB) Limited	X	AS48070
87	Rocket Fibre Ltd	X	AS8801
88	Prime Telecom srl		AS39737
89	Adam Goodenough	X	AS210667
90	LEVEL EIGHTY-SIX COMMUNICATIONS LTD	X	AS212483
91	MainStreaming SpA	X	AS51185
92	VeloxServ Communications Ltd	X	AS3170
93			AS65102
94	Worldline IGSA SA	X	AS47957
95	SARL IPSET	X	AS206014
96	Converge ICT Solutions Inc.	X	AS17639
97	Webmate Internet Services Ltd.		AS199204
98	AMERICAN TOWER DO BRASIL-COMUNICAÇÂO MULTIMÍDIA LT		AS23106
99	KDDI Europe Ltd	X	AS6894
100	Inferno Communications Ltd	X	AS207841
101	Ljosleidarinn ehf		AS12969
102	Unitas Global	X	AS1828
103	AFR-IX TELECOM S.A.	X	AS60171
104	Wifirst S.A.S.	X	AS52075
105	Convergenze S.p.A.	X	AS39120
106	team.blue NV	X	AS48185
107	StarHub Ltd		AS4657
108	ADISTA SAS	X	AS16347
109	Public Internet Ltd		AS28792
110	Valve Corporation		AS32590
111	Patrizio Palumbo	X	AS211358
112	TurkNet Iletisim Hizmetleri A.S.		AS12735
113	Tismi BV	X	AS62167
114	Anycast Global Backbone	X	AS58511
115	CONVERGENCE (GROUP NETWORKS) LIMITED		AS41811
116	Invesco Group Services, Inc.	X	AS14630
117	EX Networks Limited	X	AS35266
118	PT. Internet Madju Abad Milenindo	X	AS45701
119	Proximus Luxembourg S.A.	X	AS56665
120	Virtual Technologies & Solutions	X	AS37721
121	Cogent Communications, LLC	X	AS1239
122	Conor Lewis	X	AS214420
123	Continent 8 LLC	X	AS14537
124	NetIX Communications JSC		AS57463
125	Gentlent GmbH	X	AS52112
126	SIACOM JSC	X	AS198150
127	Main one Cable Company Nigeria Limited		AS37282
128	Kantonsschule Zug	X	AS34288
129	Vorboss Limited	X	AS25160
130	IP TELECOM	X	AS61573
131	Cool Ideas Service Provider (Pty) Ltd		AS37680
132	Dyjix SAS		AS212815
133	Novelcomm LP	X	AS206735
134	Ote SA (Hellenic Telecommunications Organisation)		AS12713
135	Inovare-Prim SRL	X	AS60602
136	M247 Europe SRL		AS9009
137	RISE	X	AS63927
138	LINK BRASIL TELECOMUNICACOES LTDA		AS271253
139	CustodianDC Limited	X	AS50300
140	LINK AMERICAN		AS1000
141	SNETTERTON TELECOM LIMITED		AS201060
142	UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd		AS21215
143	Tiggee LLC	X	AS16552
144	Sota Solutions Ltd.	X	AS31742

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	EDGEUNO S.A.S	X	AS7195
8	BR.Digital Telecom	X	AS14840
9	meerfarbig GmbH & Co. KG	X	AS34549
10	GSL Networks Pty LTD	X	AS137409
11	xTom GmbH	X	AS3214
12	IP-Max SA	X	AS25091
13	Zayo Infrastructure France SA	X	AS8218
14	Huge Solucoes Corporativas Ltda	X	AS264409
15	Cilix Limited	X	AS215638
16	F5 Networks SARL	X	AS35280
17	INTERKVM HOST SRL	X	AS6204
18	IELO-LIAZO SERVICES SAS	X	AS29075
19	Peravix Group LTD	X	AS204208
20	Liquid Telecommunications Ltd	X	AS30844
21	SEACOM Limited	X	AS37100
22	ParadoxNetworks Limited		AS52025
23	i3D.net B.V	X	AS49544
24	Fiber Telecom S.p.A.	X	AS41327
25	31173 Services AB	X	AS39351
26	atom86 BV	X	AS8455
27	Viewqwest Pte Ltd	X	AS18106
28	MoeDove LLC		AS44324
29	Core-Backbone GmbH	X	AS33891
30	CJSC RASCOM		AS20764
31	Joseph Rawlings trading as Virtnet.bond		AS214022
32	Johannes Ernst		AS212895
33	GlobalConnect AB	X	AS12552
34	Inter.link GmbH	X	AS5405
35	Zain Omantel International FZ-LLC		AS8529
36	Stadtwerke Feldkirch	X	AS48362
37	James Cahill	X	AS214749
38	DSM (GB) Limited	X	AS48070
39	Celeste SAS	X	AS34177
40	Hetzner Online GmbH	X	AS24940
41	Adam Goodenough	X	AS210667
42	Claranet Limited	X	AS8426
43	ADISTA SAS	X	AS16347
44	LEVEL EIGHTY-SIX COMMUNICATIONS LTD	X	AS212483
45	RISE	X	AS63927
46	12651980 CANADA INC.	X	AS399486
47	Anycast Global Backbone	X	AS58511
48	EDGOO NETWORKS UNIPESSOAL LDA	X	AS6424
49	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
50	Tismi BV	X	AS62167
51	Gentlent GmbH	X	AS52112
52	NetActuate, Inc	X	AS36236
53	IT.Gate S.p.A.	X	AS12779
54	Kanton Zug	X	AS51907
55	Axclusive	X	AS132337
56	Broadband Hosting B.V.	X	AS20562
57	IP TELECOM	X	AS61573
58	West Indian Ocean Cable Company	X	AS37662
59	Unitas Global	X	AS1828
60	Kantonsschule Zug	X	AS34288
61	Convergenze S.p.A.	X	AS39120
62	Vodacom		AS36994
63	Inovare-Prim SRL	X	AS60602
64	IX Reach Ltd	X	AS4455
65	Data Communication Business Group		AS3462
66	AFR-IX TELECOM S.A.	X	AS60171
67	EX Networks Limited	X	AS35266
68	Continent 8 LLC	X	AS14537
69	SIACOM JSC	X	AS198150
70	Novelcomm LP	X	AS206735
71	Jump Networks Ltd	X	AS8943
72	VeloxServ Communications Ltd	X	AS3170
73	PT. Internet Madju Abad Milenindo	X	AS45701
74	team.blue NV	X	AS48185
75	Lancom Ltd.	X	AS199081
76	PEER 1031 LLC	X	AS1031
77	OVH SAS	X	AS16276
78	KDDI Europe Ltd	X	AS6894
79	SG.GS	X	AS24482
80	Blacknight Internet Solutions Limited	X	AS39122
81	Wavenet Limited	X	AS5413
82	Rackdog, LLC	X	AS398465
83	Virtual Technologies & Solutions	X	AS37721
84	Rocket Fibre Ltd	X	AS8801
85	Converge ICT Solutions Inc.	X	AS17639
86	Global Network Management Inc	X	AS31500
87	CustodianDC Limited	X	AS50300
88	SARL IPSET	X	AS206014
89	MainStreaming SpA	X	AS51185
90	Connectivia S.r.l		AS207594
91	Lewis Foster		AS215332
92	Misaka Network, Inc.	X	AS917
93	NOVACONN SRL	X	AS203462
94	Anexia Cloud Solutions GmbH	X	AS42473
95	Proximus Luxembourg S.A.	X	AS56665
96	Vorboss Limited	X	AS25160
97	Invesco Group Services, Inc.	X	AS14630
98	Worldline IGSA SA	X	AS47957
99	Inferno Communications Ltd	X	AS207841
100	Sota Solutions Ltd.	X	AS31742
101	Patrizio Palumbo	X	AS211358
102	Conor Lewis	X	AS214420
103	Jude Gabriel Powell	X	AS213798
104	TECHIT.BE SRL		AS213241
105	Tiggee LLC	X	AS16552
106	Digiweb ltd		AS31122
107	Cogent Communications, LLC	X	AS1239
108	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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