United Kingdom

AS51561

ICUK Computing Services Limited ISP registered in United Kingdom

68IPv4 prefixes
2IPv6 prefixes
9%RPKI-valid
#6,688AS Rank
327/327RIS visibility
#52Rank in United Kingdom
2010-09-28Allocated

ICUK Computing Services Limited (AS51561) — ISP, registered in United Kingdom. announces 68 IPv4 prefixes + 2 IPv6 prefixes. Rank in United Kingdom: #52. Allocated: 2010-09-28.

Announced prefixes · 70

RPKI: rpki.cloudflare.com · 2026-06-17

Routing: 69 IPv4 · 2 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17

Prefix history

0 25 50 2026-06-12 2026-06-13
Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)
Data table
DayAnnounced prefixes
2026-06-1270
2026-06-1370

Internet Exchanges · 3

Facilities · 3

AS topology · Customer cone 3

Providers · 4

Peers · 89

Customers · 2

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