81.181.172.0/23
🇬🇧IPv4RIPEassigned RPKI Valid
CIDR
81.181.172.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇬🇧 United Kingdom
City
London
RIR
RIPE
Status
assigned
Allocated
-
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.181.172.0/24 | AS2914NTT-DATA-2914 - NTT America, Inc. | Valid | — | 6/1/2026 |
| 81.181.173.0/24 | AS51765CREANOVA-AS Oy Crea Nova Hosting Solution Ltd | Valid | — | 6/1/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS34304 | RIPE | TEEN-MNT | 5/13/2025 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/81.181.172.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.181.172.0/23" | jq
External Links