81.27.92.0/23
🇬🇧CIDR
81.27.92.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇬🇧 United Kingdom
City
London
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.27.92.0/23 | AS25577C4L-AS MAINFRAME & CYBERNETIC SYSTEMS LIMITED | No ROA | — | 6/1/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.27.88.0/21 | AS25577C4L-AS MAINFRAME & CYBERNETIC SYSTEMS LIMITED | No ROA | — | 6/1/2026 |
| 81.27.92.0/24 | AS25577C4L-AS MAINFRAME & CYBERNETIC SYSTEMS LIMITED | No ROA | — | 6/1/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 81.27.93.0/24 | AS202841 | 🇹🇷TR | allocated |
| 81.27.92.0/24 | AS25577 | 🇬🇧GB | allocated |
| 81.27.92.64/26 | 🇬🇧GB | assigned | |
| 81.27.93.176/28 | 🇬🇧GB | assigned | |
| 81.27.92.32/28 | 🇬🇧GB | assigned | |
| 81.27.93.80/28 | 🇬🇧GB | assigned | |
| 81.27.93.128/28 | 🇬🇧GB | assigned | |
| 81.27.93.152/29 | 🇬🇧GB | assigned | |
| 81.27.93.96/29 | 🇬🇧GB | assigned | |
| 81.27.93.104/29 | 🇬🇧GB | assigned | |
| 81.27.92.56/29 | 🇬🇧GB | assigned | |
| 81.27.93.144/29 | 🇬🇧GB | assigned | |
| 81.27.93.64/29 | 🇬🇧GB | assigned | |
| 81.27.93.72/29 | 🇬🇧GB | assigned |
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/81.27.92.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.27.92.0/23" | jq
External Links