HomePrefix Lookup51.155.0.0/16

51.155.0.0/16

🇬🇧
IPv4RIPENCCassignedAS13037ZEN-AS Zen Internet Ltd RPKI Valid
CIDR
51.155.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇬🇧 United Kingdom
City
London
RIR
RIPENCC
Status
assigned
Allocated
9/1/1993

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
51.155.0.0/16AS13037ZEN-AS Zen Internet Ltd Valid
RIPE
5/31/2026

RPKI ROAs

1
PrefixOriginMax LengthTrust Anchor
51.155.0.0/16AS13037/20ripe

IRR Route Objects

1
OriginRegistryMaintainerModified
AS13037RIPEZEN-MNT7/4/2019

More Specific Prefixes

100
PrefixASCountryStatus
51.155.128.0/18🇬🇧GBassigned
51.155.192.0/18🇬🇧GBassigned
51.155.32.0/19🇬🇧GBassigned
51.155.0.0/20🇬🇧GBassigned
51.155.72.0/21🇬🇧GBassigned
51.155.40.0/24🇬🇧GBassigned
51.155.58.128/25🇬🇧GBassigned
51.155.41.0/26🇬🇧GBassigned
51.155.48.64/26🇬🇧GBassigned
51.155.23.192/26🇬🇧GBassigned
51.155.56.192/26🇬🇧GBassigned
51.155.37.192/26🇬🇧GBassigned
51.155.91.192/27🇬🇧GBassigned
51.155.31.64/27🇬🇧GBassigned
51.155.54.192/27🇬🇧GBassigned
51.155.90.0/27🇬🇧GBassigned
51.155.53.64/27🇬🇧GBassigned
51.155.86.128/27🇬🇧GBassigned
51.155.39.32/27🇬🇧GBassigned
51.155.55.96/27🇬🇧GBassigned
51.155.56.128/27🇬🇧GBassigned
51.155.81.128/27🇬🇧GBassigned
51.155.30.160/27🇬🇧GBassigned
51.155.63.96/27🇬🇧GBassigned
51.155.50.0/27🇬🇧GBassigned
51.155.31.32/27🇬🇧GBassigned
51.155.33.0/27🇬🇧GBassigned
51.155.91.32/27🇬🇧GBassigned
51.155.91.224/27🇬🇧GBassigned
51.155.32.128/27🇬🇧GBassigned
51.155.61.32/27🇬🇧GBassigned
51.155.85.128/27🇬🇧GBassigned
51.155.34.96/27🇬🇧GBassigned
51.155.52.64/27🇬🇧GBassigned
51.155.87.64/27🇬🇧GBassigned
51.155.41.0/27🇬🇧GBassigned
51.155.35.0/27🇬🇧GBassigned
51.155.45.224/27🇬🇧GBassigned
51.155.38.0/28🇬🇧GBassigned
51.155.52.32/28🇬🇧GBassigned
51.155.32.0/28🇬🇧GBassigned
51.155.63.64/28🇬🇧GBassigned
51.155.41.48/28🇬🇧GBassigned
51.155.81.176/28🇬🇧GBassigned
51.155.42.240/28🇬🇧GBassigned
51.155.253.16/28🇬🇧GBassigned
51.155.86.160/28🇬🇧GBassigned
51.155.81.192/28🇬🇧GBassigned
51.155.20.224/28🇬🇧GBassigned
51.155.35.128/28🇬🇧GBassigned
51.155.89.128/28🇬🇧GBassigned
51.155.22.112/28🇬🇧GBassigned
51.155.42.192/28🇬🇧GBassigned
51.155.42.224/28🇬🇧GBassigned
51.155.60.144/28🇬🇧GBassigned
51.155.30.32/28🇬🇧GBassigned
51.155.49.96/28🇬🇧GBassigned
51.155.50.224/28🇬🇧GBassigned
51.155.252.224/28🇬🇧GBassigned
51.155.81.208/28🇬🇧GBassigned
51.155.54.48/28🇬🇧GBassigned
51.155.82.32/28🇬🇧GBassigned
51.155.52.16/28🇬🇧GBassigned
51.155.38.160/28🇬🇧GBassigned
51.155.36.80/28🇬🇧GBassigned
51.155.49.64/28🇬🇧GBassigned
51.155.28.96/28🇬🇧GBassigned
51.155.63.80/28🇬🇧GBassigned
51.155.28.208/28🇬🇧GBassigned
51.155.51.16/28🇬🇧GBassigned
51.155.33.240/28🇬🇧GBassigned
51.155.250.176/28🇬🇧GBassigned
51.155.93.64/28🇬🇧GBassigned
51.155.94.128/28🇬🇧GBassigned
51.155.30.240/28🇬🇧GBassigned
51.155.34.192/28🇬🇧GBassigned
51.155.22.208/28🇬🇧GBassigned
51.155.36.112/28🇬🇧GBassigned
51.155.53.16/28🇬🇧GBassigned
51.155.39.176/28🇬🇧GBassigned
51.155.84.96/28🇬🇧GBassigned
51.155.239.96/28🇬🇧GBassigned
51.155.17.144/28🇬🇧GBassigned
51.155.253.48/28🇬🇧GBassigned
51.155.50.64/28🇬🇧GBassigned
51.155.38.144/28🇬🇧GBassigned
51.155.51.144/28🇬🇧GBassigned
51.155.252.32/28🇬🇧GBassigned
51.155.44.96/29🇬🇧GBassigned
51.155.44.48/29🇬🇧GBassigned
51.155.32.232/29🇬🇧GBassigned
51.155.43.248/29🇬🇧GBassigned
51.155.43.104/29🇬🇧GBassigned
51.155.32.224/29🇬🇧GBassigned
51.155.21.176/29🇬🇧GBassigned
51.155.43.88/29🇬🇧GBassigned
51.155.43.0/29🇬🇧GBassigned
51.155.32.88/29🇬🇧GBassigned
51.155.42.160/29🇬🇧GBassigned
51.155.42.104/29🇬🇧GBassigned
Origin ASN
AS13037
ZEN-AS Zen Internet Ltd
Geolocation
Country🇬🇧United KingdomGB
RegionEngland
CityLondon
Coordinates51.5072, -0.1276 ↗
Abuse Contact
API
Open
GEThttps://api.ipctl.io/v1/prefix/51.155.0.0/16

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/51.155.0.0/16" | jq
External Links
RIPEstat Hurricane Electric BGP