81.90.80.0/20
🇬🇧CIDR
81.90.80.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇬🇧 United Kingdom
City
London
RIR
RIPENCC
Status
allocated
Allocated
4/19/2006
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.90.80.0/20 | AS29646FFastFill-AS FFastFill Europe Limited | No ROA | RIPE | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS29646 | RIPE | FFast-UK | 4/19/2006 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 81.90.88.0/22 | 🇬🇧GB | assigned | |
| 81.90.80.0/22 | 🇬🇧GB | assigned | |
| 81.90.86.0/23 | 🇬🇧GB | assigned | |
| 81.90.84.0/23 | 🇬🇧GB | assigned | |
| 81.90.93.0/24 | 🇬🇧GB | assigned | |
| 81.90.92.0/24 | 🇬🇧GB | assigned | |
| 81.90.94.0/24 | 🇬🇧GB | assigned |
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/81.90.80.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.90.80.0/20" | jq
External Links