Check-Host.cc

Autonomous System

AS51561 · ICUK Computing Services Ltd

Aggregated from public BGP, CT logs, our scan layer, honeypots and global probes.

Announced IPs
79,360
IPv4
IPv4 Prefixes
70
IPv6 Prefixes
2
Hosted Domains
3,741
resolve into this AS
Peers
635
Customers
2

AS Profile

AS Name
ICUK Computing Services Ltd
Also known as
ICUK.net
AS Type
NSP
Scope
Europe
IRR AS-SET
AS-ICUK
RIR
RIPE NCC
Country
GB
Allocated
2010-09-28

RPKI Validity

Total ROAs
28
Valid Prefixes
6
NotFound
66
Announced (BGP)
72
RPKI Coverage
8.3%

Upstreams

Tier-1 / transit-free network

CAIDA AS-Relationships sees no upstream transit provider for this ASN — either a tier-1 carrier, a settlement-free routing arrangement, or an ASN that peers privately. Tier-1s like AS174, AS3356, AS6939 also show empty here.