81.91.96.0/21
🇬🇧CIDR
81.91.96.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇬🇧 United Kingdom
City
Marlborough
RIR
RIPENCC
Status
allocated
Allocated
7/16/2002
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.91.96.0/21 | AS60981TRIANGLE-AS Triangle Networks Ltd | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS25061 | RIPE | ANLX-MNT | 1/30/2024 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 81.91.103.0/24 | 🇬🇧GB | assigned | |
| 81.91.96.0/24 | 🇬🇧GB | assigned | |
| 81.91.101.192/26 | 🇬🇧GB | assigned | |
| 81.91.100.0/26 | 🇬🇧GB | assigned | |
| 81.91.102.0/26 | 🇬🇧GB | assigned | |
| 81.91.101.0/26 | 🇬🇧GB | assigned | |
| 81.91.97.0/26 | 🇬🇧GB | assigned | |
| 81.91.99.192/26 | 🇬🇧GB | assigned | |
| 81.91.99.0/26 | 🇬🇧GB | assigned | |
| 81.91.97.64/27 | 🇬🇧GB | assigned | |
| 81.91.99.64/27 | 🇬🇧GB | assigned | |
| 81.91.100.160/27 | 🇬🇧GB | assigned | |
| 81.91.100.128/27 | 🇬🇧GB | assigned | |
| 81.91.99.96/27 | 🇬🇧GB | assigned | |
| 81.91.101.128/27 | 🇬🇧GB | assigned | |
| 81.91.98.32/28 | 🇬🇧GB | assigned | |
| 81.91.98.128/28 | 🇬🇧GB | assigned | |
| 81.91.98.224/28 | 🇬🇧GB | assigned | |
| 81.91.98.112/28 | 🇬🇧GB | assigned | |
| 81.91.98.48/28 | 🇬🇧GB | assigned | |
| 81.91.98.192/28 | 🇬🇧GB | assigned | |
| 81.91.102.64/28 | 🇬🇧GB | assigned | |
| 81.91.99.160/28 | 🇬🇧GB | assigned | |
| 81.91.98.0/28 | 🇬🇧GB | assigned | |
| 81.91.98.160/28 | 🇬🇧GB | assigned | |
| 81.91.99.176/28 | 🇬🇧GB | assigned | |
| 81.91.100.80/28 | 🇬🇧GB | assigned | |
| 81.91.100.96/28 | 🇬🇧GB | assigned | |
| 81.91.100.240/28 | 🇬🇧GB | assigned | |
| 81.91.101.80/28 | 🇬🇧GB | assigned | |
| 81.91.102.80/28 | 🇬🇧GB | assigned | |
| 81.91.102.96/28 | 🇬🇧GB | assigned | |
| 81.91.98.16/28 | 🇬🇧GB | assigned | |
| 81.91.101.112/28 | 🇬🇧GB | assigned | |
| 81.91.99.128/29 | 🇬🇧GB | assigned | |
| 81.91.97.120/29 | 🇬🇧GB | assigned | |
| 81.91.97.112/29 | 🇬🇧GB | assigned | |
| 81.91.101.64/29 | 🇬🇧GB | assigned | |
| 81.91.101.96/29 | 🇬🇧GB | assigned | |
| 81.91.98.176/29 | 🇬🇧GB | assigned | |
| 81.91.99.136/29 | 🇬🇧GB | assigned | |
| 81.91.97.104/29 | 🇬🇧GB | assigned | |
| 81.91.99.144/29 | 🇬🇧GB | assigned | |
| 81.91.101.72/29 | 🇬🇧GB | assigned | |
| 81.91.101.104/30 | 🇬🇧GB | assigned |
Origin ASN
AS60981
TRIANGLE-AS Triangle Networks Ltd
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/81.91.96.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.91.96.0/21" | jq
External Links