HomePrefix Lookup81.100.0.0/15

81.100.0.0/15

🇬🇧
IPv4RIPENCCannouncedAS5089NTL Virgin Media Limited RPKI Valid
CIDR
81.100.0.0/15
IP Version
IPv4
Addresses
131K
Mask
/15 (255.254.0.0)
Country
🇬🇧 United Kingdom
City
London (Lewisham)
RIR
RIPENCC
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
81.100.0.0/15AS5089NTL Virgin Media Limited Valid
RIPE
6/13/2026

Covering Prefix

2 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
81.96.0.0/12AS5089NTL Virgin Media Limited Valid—6/13/2026
81.100.0.0/14AS5089NTL Virgin Media Limited Valid—6/13/2026

RPKI ROAs

3
PrefixOriginMax LengthTrust Anchor
81.100.0.0/15AS5089/15ripe
81.100.0.0/14AS5089/14ripe
81.96.0.0/12AS5089/12ripe

IRR Route Objects

1
OriginRegistryMaintainerModified
AS5089RIPEAS5089-MNT3/4/2019

More Specific Prefixes

97
PrefixASCountryStatus
81.100.160.0/20🇬🇧GBassigned
81.100.208.0/20🇬🇧GBassigned
81.100.224.0/20🇬🇧GBassigned
81.100.192.0/20🇬🇧GBassigned
81.100.64.0/20🇬🇧GBassigned
81.100.48.0/20🇬🇧GBassigned
81.101.144.0/20🇬🇧GBassigned
81.101.208.0/20🇬🇧GBassigned
81.100.96.0/20🇬🇧GBassigned
81.101.240.0/20🇬🇧GBassigned
81.101.192.0/20🇬🇧GBassigned
81.101.176.0/20🇬🇧GBassigned
81.101.160.0/20🇬🇧GBassigned
81.101.112.0/20🇬🇧GBassigned
81.101.96.0/20🇬🇧GBassigned
81.100.176.0/20🇬🇧GBassigned
81.100.240.0/20🇬🇧GBassigned
81.101.224.0/20🇬🇧GBassigned
81.101.128.0/20🇬🇧GBassigned
81.101.64.0/20🇬🇧GBassigned
81.101.32.0/20🇬🇧GBassigned
81.101.16.0/20🇬🇧GBassigned
81.100.16.0/20🇬🇧GBassigned
81.100.80.0/20🇬🇧GBassigned
81.100.112.0/20🇬🇧GBassigned
81.100.144.0/20🇬🇧GBassigned
81.100.8.0/21🇬🇧GBassigned
81.101.8.0/21🇬🇧GBassigned
81.101.88.0/21🇬🇧GBassigned
81.100.40.0/21🇬🇧GBassigned
81.100.136.0/21🇬🇧GBassigned
81.101.48.0/21🇬🇧GBassigned
81.101.0.0/21🇬🇧GBassigned
81.101.56.0/22🇬🇧GBassigned
81.100.4.0/22🇬🇧GBassigned
81.100.36.0/22🇬🇧GBassigned
81.100.128.0/23🇬🇧GBassigned
81.101.62.0/23🇬🇧GBassigned
81.100.34.0/23🇬🇧GBassigned
81.100.33.0/24🇬🇧GBassigned
81.100.130.0/24🇬🇧GBassigned
81.100.1.0/24🇬🇧GBassigned
81.101.61.0/24🇬🇧GBassigned
81.101.82.0/24🇬🇧GBassigned
81.101.83.128/25🇬🇧GBassigned
81.101.86.128/26🇬🇧GBassigned
81.101.81.192/26🇬🇧GBassigned
81.101.81.0/26🇬🇧GBassigned
81.101.83.64/26🇬🇧GBassigned
81.101.87.128/27🇬🇧GBassigned
81.101.80.192/27🇬🇧GBassigned
81.101.80.224/27🇬🇧GBassigned
81.101.80.0/27🇬🇧GBassigned
81.101.80.32/27🇬🇧GBassigned
81.101.81.128/27🇬🇧GBassigned
81.101.84.128/27🇬🇧GBassigned
81.101.84.160/27🇬🇧GBassigned
81.101.86.192/27🇬🇧GBassigned
81.101.87.192/27🇬🇧GBassigned
81.101.80.96/28🇬🇧GBassigned
81.101.80.144/28🇬🇧GBassigned
81.101.84.112/28🇬🇧GBassigned
81.101.80.112/28🇬🇧GBassigned
81.101.84.240/28🇬🇧GBassigned
81.101.84.80/28🇬🇧GBassigned
81.101.80.128/28🇬🇧GBassigned
81.101.87.160/28🇬🇧GBassigned
81.101.84.224/28🇬🇧GBassigned
81.101.84.208/28🇬🇧GBassigned
81.101.83.0/28🇬🇧GBassigned
81.101.84.48/28🇬🇧GBassigned
81.101.83.48/28🇬🇧GBassigned
81.101.80.64/28🇬🇧GBassigned
81.101.81.80/28🇬🇧GBassigned
81.101.81.96/28🇬🇧GBassigned
81.101.81.112/28🇬🇧GBassigned
81.101.81.176/28🇬🇧GBassigned
81.101.81.160/28🇬🇧GBassigned
81.101.83.16/28🇬🇧GBassigned
81.101.86.96/28🇬🇧GBassigned
81.101.86.64/28🇬🇧GBassigned
81.101.84.0/28🇬🇧GBassigned
81.101.84.16/28🇬🇧GBassigned
81.101.84.64/28🇬🇧GBassigned
81.101.84.96/28🇬🇧GBassigned
81.101.86.40/29🇬🇧GBassigned
81.101.81.72/29🇬🇧GBassigned
81.101.86.80/29🇬🇧GBassigned
81.101.83.32/29🇬🇧GBassigned
81.101.81.64/29🇬🇧GBassigned
81.101.86.56/29🇬🇧GBassigned
81.101.84.192/29🇬🇧GBassigned
81.101.86.88/29🇬🇧GBassigned
81.101.86.32/29🇬🇧GBassigned
81.100.131.212/30🇬🇧GBassigned
81.101.84.200/30🇬🇧GBassigned
81.101.84.204/30🇬🇧GBassigned
Origin ASN
AS5089
NTL Virgin Media Limited
Geolocation
Country🇬🇧United KingdomGB
RegionEngland
CityLondon (Lewisham)
Coordinates51.4612, -0.0073 ↗
Abuse Contact
API
Open
GEThttps://api.ipctl.io/v1/prefix/81.100.0.0/15

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

curl -s "https://api.ipctl.io/v1/prefix/81.100.0.0/15" | jq
External Links
RIPEstat Hurricane Electric BGP