HomeASN LookupAS51561

AS51561

🇬🇧

AS-ICUK ICUK Computing Services LimitedORG-ICSL4-RIPE

RIPENCCallocated
Announced Prefixes (BGP)
70total
68 IPv42 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)72,536
Announced (BGP)78,592
IPv6 Addresses ⓘ
Allocated (RIR)7.9×10^28
Announced (BGP)7.9×10^28
Prefix Limit (IPv4)
200
Prefix Limit (IPv6)
10
Country
🇬🇧 GB
RIR
RIPENCC
Status
allocated
Allocated
9/28/2010

Announced Prefixes

(BGP)65
|
Prefix
RPKI
IRR
Last Seen
2.56.84.0/22
No ROA
RIPE
5/14/2026
5.133.168.0/23
No ROA
RIPE
5/14/2026
5.133.170.0/23
No ROA
RIPE
5/14/2026
5.254.162.0/23
No ROA
RIPE
5/14/2026
5.254.164.0/23
No ROA
RIPE
5/14/2026
37.235.43.0/24
No ROA
RIPE
5/14/2026
45.93.112.0/22
No ROA
RIPE
5/14/2026
45.93.112.0/23
No ROA
RADB
5/14/2026
45.145.86.0/23
No ROA
RIPE
5/14/2026
46.33.128.0/19
No ROA
RIPE
5/14/2026
1–10 of 65
1 / 7

Allocated Prefixes

(RIR)46
Prefix
Country
RIR
Status
2.56.84.0/22🇬🇧 GBRIPENCCallocated
5.254.162.0/23🇬🇧 GBRIPEassigned
5.254.164.0/23🇬🇧 GBRIPEassigned
37.235.43.0/24🇬🇧 GBRIPEassigned
45.93.112.0/22🇬🇧 GBRIPENCCallocated
46.33.128.0/19🇬🇧 GBRIPENCCallocated
46.33.128.0/24🇬🇧 GBRIPEassigned
46.33.130.0/24🇬🇧 GBRIPEassigned
46.102.192.0/19🇬🇧 GBRIPENCCallocated
46.102.192.0/24🇬🇧 GBRIPEassigned
1–10 of 46
1 / 5
ASPA
No ASPA
Abuse Contact
External Links
RIPE WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/51561

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/51561" | jq