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): 161
BGP Peers Observed (v4): 144
BGP Peers Observed (v6): 115

IPs Originated (v4): 72,704
AS Paths Observed (v4): 2,461
AS Paths Observed (v6): 1,225

Average AS Path Length (all): 3.697
Average AS Path Length (v4): 3.693
Average AS Path Length (v6): 3.704

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
AS8426	Claranet Limited
AS14840	BR.Digital Telecom
AS215638	Cilix 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
80.93.207.0/24	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.	X	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	BR.Digital Telecom	X	AS14840
9	Angola Cables		AS37468
10	Cilix Limited	X	AS215638
11	EDGEUNO S.A.S	X	AS7195
12	Exascale Ltd		AS61049
13	iFog GmbH	X	AS34927
14	Core-Backbone GmbH	X	AS33891
15	IP-Max SA	X	AS25091
16	Zayo Infrastructure France SA	X	AS8218
17	PJSC "Vimpelcom"		AS3216
18	F5 Networks SARL	X	AS35280
19	meerfarbig GmbH & Co. KG	X	AS34549
20	Inter.link GmbH	X	AS5405
21	Broadband Hosting B.V.	X	AS20562
22	atom86 BV	X	AS8455
23	GlobalConnect AB	X	AS12552
24	xTom GmbH	X	AS3214
25	ALOO TELECOM - FSF TECNOLOGIA SA		AS61568
26	IELO-LIAZO SERVICES SAS	X	AS29075
27	Bharti Airtel Ltd		AS9498
28	GGNET TELECOMUNICACOES LTDA		AS53062
29	Flag Telecom UK Limited		AS15412
30	Blix Solutions AS		AS50304
31	SEACOM Limited	X	AS37100
32	Network Platforms (PTY) LTD		AS37497
33	31173 Services AB	X	AS39351
34	Liquid Telecommunications Ltd	X	AS30844
35	Dimension Data		AS3741
36	PEER 1031 LLC	X	AS1031
37	Fiber Telecom S.p.A.	X	AS41327
38	Global Network Management Inc	X	AS31500
39	DSM (GB) Limited	X	AS48070
40	IT.Gate S.p.A.	X	AS12779
41	MTN SA		AS16637
42	VeloxServ Communications Ltd	X	AS3170
43	Telkom SA Ltd.	X	AS5713
44	SG.GS	X	AS24482
45	MTS PJSC		AS8359
46	Blacknight Internet Solutions Limited	X	AS39122
47	Viewqwest Pte Ltd	X	AS18106
48	WIND TRE S.P.A.		AS1267
49	Celeste SAS	X	AS34177
50	MIGO TELECOM		AS263152
51	Stadtwerke Feldkirch	X	AS48362
52	Emirates Integrated Telecommunications Company PJSC	X	AS15802
53	West Indian Ocean Cable Company	X	AS37662
54	Administracion Nacional de Telecomunicaciones	X	AS6057
55	euNetworks GmbH		AS13237
56	S3 Company Ltd		AS4849
57	PT. Internet Madju Abad Milenindo	X	AS45701
58	SARL IPSET	X	AS206014
59	Lancom Ltd.	X	AS199081
60	Hetzner Online GmbH	X	AS24940
61	Novelcomm LP	X	AS206735
62	Rocket Fibre Ltd	X	AS8801
63	Invesco Group Services, Inc.	X	AS14630
64	Peravix Group LTD	X	AS204208
65	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
66	OVH SAS	X	AS16276
67	i3D.net B.V	X	AS49544
68	KDDI Europe Ltd	X	AS6894
69	NetActuate, Inc	X	AS36236
70	CustodianDC Limited	X	AS50300
71	Virtual Technologies & Solutions	X	AS37721
72	Ote SA (Hellenic Telecommunications Organisation)		AS12713
73	Neterra Ltd.		AS34224
74	Primetel PLC		AS8544
75	Kantonsschule Zug	X	AS34288
76	INFORBARRA TELECOM		AS263903
77	Wavenet Limited	X	AS5413
78	Vorboss Limited	X	AS25160
79	Connectivia S.r.l	X	AS207594
80	Claranet Limited	X	AS8426
81	UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd		AS21215
82	SNETTERTON TELECOM LIMITED		AS201060
83	Telehouse EAD		AS57344
84	EX Networks Limited	X	AS35266
85	LINK AMERICAN		AS1000
86	Cool Ideas Service Provider (Pty) Ltd		AS37680
87	LINK BRASIL TELECOMUNICACOES LTDA		AS271253
88	Convergenze S.p.A.	X	AS39120
89	AFR-IX TELECOM S.A.	X	AS60171
90	China Mobile International Limited		AS58453
91	Inferno Communications Ltd	X	AS207841
92	Netia SA		AS12741
93	PT. Cyberindo Aditama		AS38158
94	M247 Europe SRL		AS9009
95	NOVACONN SRL	X	AS203462
96	Ljosleidarinn ehf		AS12969
97	Adam Goodenough	X	AS210667
98	CORIX NETWORKS		AS999
99	Webmate Internet Services Ltd.		AS199204
100	Unitas Global	X	AS1828
101	CONVERGENCE (GROUP NETWORKS) LIMITED		AS41811
102	Public Internet Ltd		AS28792
103	SIACOM JSC	X	AS198150
104	TurkNet Iletisim Hizmetleri A.S.		AS12735
105	Tismi BV	X	AS62167
106	Anycast Global Backbone	X	AS58511
107	MainStreaming SpA	X	AS51185
108	Australian Academic and Research Network (AARNet)		AS7575
109	IP TELECOM	X	AS61573
110	Wifirst S.A.S.	X	AS52075
111	Patrizio Palumbo	X	AS211358
112	Inovare-Prim SRL	X	AS60602
113	Jude Gabriel Powell	X	AS213798
114	Continent 8 LLC	X	AS14537
115	EDGOO NETWORKS UNIPESSOAL LDA	X	AS6424
116	Gentlent GmbH	X	AS52112
117			AS65102
118	LEVEL EIGHTY-SIX COMMUNICATIONS LTD	X	AS212483
119	Valve Corporation		AS32590
120	Sota Solutions Ltd.	X	AS31742
121	team.blue NV	X	AS48185
122	Micron21 Datacentre Pty Ltd		AS38880
123	Main one Cable Company Nigeria Limited		AS37282
124	Fibre Networks (Scotland) Limited		AS202076
125	ARISTO NETWORKS LTD		AS216265
126	Worldline IGSA SA	X	AS47957
127	Converge ICT Solutions Inc.	X	AS17639
128	Conor Lewis	X	AS214420
129	Cogent Communications, LLC	X	AS1239
130	Rackdog, LLC	X	AS398465
131	NetIX Communications JSC	X	AS57463
132	Anexia Cloud Solutions GmbH	X	AS42473
133	Axclusive	X	AS132337
134	Jump Networks Ltd	X	AS8943
135	IX Reach Ltd	X	AS4455
136	Proximus Luxembourg S.A.	X	AS56665
137	Misaka Network, Inc.	X	AS917
138	IP ServerOne Solutions Sdn Bhd		AS45352
139	ADISTA SAS	X	AS16347
140	James Cahill	X	AS214749
141	Tiggee LLC	X	AS16552
142	Dyjix SAS		AS212815
143	Kanton Zug	X	AS51907
144	BSE Software GmbH		AS9044

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	Claranet Limited	X	AS8426
9	BR.Digital Telecom	X	AS14840
10	Cilix Limited	X	AS215638
11	EDGEUNO S.A.S	X	AS7195
12	Google LLC		AS15169
13	IP-Max SA	X	AS25091
14	meerfarbig GmbH & Co. KG	X	AS34549
15	xTom GmbH	X	AS3214
16	F5 Networks SARL	X	AS35280
17	INTERKVM HOST SRL	X	AS6204
18	Zayo Infrastructure France SA	X	AS8218
19	Liquid Telecommunications Ltd	X	AS30844
20	MoeDove LLC		AS44324
21	Peravix Group LTD	X	AS204208
22	IELO-LIAZO SERVICES SAS	X	AS29075
23	SEACOM Limited	X	AS37100
24	Zain Omantel International FZ-LLC		AS8529
25	CJSC RASCOM		AS20764
26	Apple Inc.		AS714
27	Administracion Nacional de Telecomunicaciones	X	AS6057
28	Wavenet Limited	X	AS5413
29	GlobalConnect AB	X	AS12552
30	Inter.link GmbH	X	AS5405
31	Fiber Telecom S.p.A.	X	AS41327
32	Core-Backbone GmbH	X	AS33891
33	Viewqwest Pte Ltd	X	AS18106
34	31173 Services AB	X	AS39351
35	atom86 BV	X	AS8455
36	Stadtwerke Feldkirch	X	AS48362
37	Axclusive	X	AS132337
38	Johannes Ernst		AS212895
39	Vodacom		AS36994
40	Cloudflare, Inc.	X	AS13335
41	Sota Solutions Ltd.	X	AS31742
42	Kantonsschule Zug	X	AS34288
43	AFR-IX TELECOM S.A.	X	AS60171
44	Tiggee LLC	X	AS16552
45	Virtual Technologies & Solutions	X	AS37721
46	Unitas Global	X	AS1828
47	Connectivia S.r.l	X	AS207594
48	VeloxServ Communications Ltd	X	AS3170
49	James Cahill	X	AS214749
50	Lewis Foster		AS215332
51	EDGOO NETWORKS UNIPESSOAL LDA	X	AS6424
52	team.blue NV	X	AS48185
53	ADISTA SAS	X	AS16347
54	Jump Networks Ltd	X	AS8943
55	ParadoxNetworks Limited		AS52025
56	Akamai International B.V.		AS20940
57	Telkom SA Ltd.	X	AS5713
58	CustodianDC Limited	X	AS50300
59	LEVEL EIGHTY-SIX COMMUNICATIONS LTD	X	AS212483
60	Inferno Communications Ltd	X	AS207841
61	NetActuate, Inc	X	AS36236
62	Tismi BV	X	AS62167
63	Convergenze S.p.A.	X	AS39120
64	Digiweb ltd		AS31122
65	Reliance Jio Infocomm Pte Ltd Singapore	X	AS64049
66	IT.Gate S.p.A.	X	AS12779
67	WoodyNet, Inc.		AS42
68	TECHIT.BE SRL		AS213241
69	Data Communication Business Group		AS3462
70	Microsoft Corporation		AS8075
71	Conor Lewis	X	AS214420
72	Emirates Integrated Telecommunications Company PJSC	X	AS15802
73	Adam Goodenough	X	AS210667
74	Gentlent GmbH	X	AS52112
75	SG.GS	X	AS24482
76	West Indian Ocean Cable Company	X	AS37662
77	Wifirst S.A.S.	X	AS52075
78	Inovare-Prim SRL	X	AS60602
79	Proximus Luxembourg S.A.	X	AS56665
80	NetIX Communications JSC	X	AS57463
81	Misaka Network, Inc.	X	AS917
82	Hetzner Online GmbH	X	AS24940
83	NOVACONN SRL	X	AS203462
84	Jude Gabriel Powell	X	AS213798
85	Celeste SAS	X	AS34177
86	PEER 1031 LLC	X	AS1031
87	PT. Internet Madju Abad Milenindo	X	AS45701
88	Rackdog, LLC	X	AS398465
89	OVH SAS	X	AS16276
90	Global Network Management Inc	X	AS31500
91	Rocket Fibre Ltd	X	AS8801
92	Kanton Zug	X	AS51907
93	Patrizio Palumbo	X	AS211358
94	Anycast Global Backbone	X	AS58511
95	Anexia Cloud Solutions GmbH	X	AS42473
96	IP TELECOM	X	AS61573
97	SARL IPSET	X	AS206014
98	EX Networks Limited	X	AS35266
99	i3D.net B.V	X	AS49544
100	Vorboss Limited	X	AS25160
101	Invesco Group Services, Inc.	X	AS14630
102	Cyprus Telecommunications Authority		AS6866
103	Worldline IGSA SA	X	AS47957
104	MainStreaming SpA	X	AS51185
105	Novelcomm LP	X	AS206735
106	IX Reach Ltd	X	AS4455
107	Blacknight Internet Solutions Limited	X	AS39122
108	DSM (GB) Limited	X	AS48070
109	Cogent Communications, LLC	X	AS1239
110	Continent 8 LLC	X	AS14537
111	KDDI Europe Ltd	X	AS6894
112	Broadband Hosting B.V.	X	AS20562
113	Lancom Ltd.	X	AS199081
114	SIACOM JSC	X	AS198150
115	Converge ICT Solutions Inc.	X	AS17639

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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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