HomePrefix Lookup81.27.88.0/21

81.27.88.0/21

🇬🇧
CIDR
81.27.88.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇬🇧 United Kingdom
City
London
RIR
APNIC
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
81.27.88.0/21AS25577C4L-AS MAINFRAME & CYBERNETIC SYSTEMS LIMITEDNo ROA—6/1/2026

More Specific Prefixes

32
PrefixASCountryStatus
81.27.88.0/22AS25577🇬🇧GBallocated
81.27.94.0/23🇬🇧GBallocated
81.27.93.0/24AS202841🇹🇷TRallocated
81.27.92.0/24AS25577🇬🇧GBallocated
81.27.92.64/26🇬🇧GBassigned
81.27.89.224/27🇬🇧GBassigned
81.27.89.128/27🇬🇧GBassigned
81.27.95.112/28🇬🇧GBassigned
81.27.89.48/28🇬🇧GBassigned
81.27.89.160/28🇬🇧GBassigned
81.27.89.192/28🇬🇧GBassigned
81.27.92.32/28🇬🇧GBassigned
81.27.93.80/28🇬🇧GBassigned
81.27.93.128/28🇬🇧GBassigned
81.27.93.176/28🇬🇧GBassigned
81.27.95.16/28🇬🇧GBassigned
81.27.95.64/28🇬🇧GBassigned
81.27.95.80/28🇬🇧GBassigned
81.27.93.104/29🇬🇧GBassigned
81.27.93.144/29🇬🇧GBassigned
81.27.93.152/29🇬🇧GBassigned
81.27.90.56/29🇬🇧GBassigned
81.27.91.32/29🇬🇧GBassigned
81.27.93.96/29🇬🇧GBassigned
81.27.95.104/29🇬🇧GBassigned
81.27.95.0/29🇬🇧GBassigned
81.27.92.56/29🇬🇧GBassigned
81.27.93.64/29🇬🇧GBassigned
81.27.93.72/29🇬🇧GBassigned
81.27.95.96/29🇬🇧GBassigned
81.27.94.128/30🇬🇧GBassigned
81.27.94.132/30🇬🇧GBassigned
Geolocation
Country🇬🇧United KingdomGB
RegionEngland
CityLondon
Abuse Contact
GEThttps://api.ipctl.io/v1/prefix/81.27.88.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/81.27.88.0/21" | jq