81.87.0.0/16
🇬🇧CIDR
81.87.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇬🇧 United Kingdom
City
Canterbury
RIR
RIPENCC
Status
allocated
Allocated
6/17/2002
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.87.0.0/16 | AS786JANET - Jisc Services Limited | Valid | RIPE | 5/31/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 81.87.0.0/16 | AS786 | /24 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS786 | RIPE | JIPS-NOSC | 6/11/2019 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 81.87.0.0/20 | 🇬🇧GB | assigned | |
| 81.87.32.0/20 | 🇬🇧GB | assigned | |
| 81.87.20.0/23 | 🇬🇧GB | assigned | |
| 81.87.17.0/24 | 🇬🇧GB | assigned | |
| 81.87.16.0/24 | 🇬🇧GB | assigned | |
| 81.87.19.0/25 | 🇬🇧GB | assigned | |
| 81.87.23.0/25 | 🇬🇧GB | assigned | |
| 81.87.22.0/25 | 🇬🇧GB | assigned | |
| 81.87.18.0/26 | 🇬🇧GB | assigned | |
| 81.87.19.192/26 | 🇬🇧GB | assigned | |
| 81.87.23.224/27 | 🇬🇧GB | assigned | |
| 81.87.23.128/27 | 🇬🇧GB | assigned | |
| 81.87.19.160/27 | 🇬🇧GB | assigned | |
| 81.87.22.128/27 | 🇬🇧GB | assigned | |
| 81.87.22.192/27 | 🇬🇧GB | assigned | |
| 81.87.18.96/28 | 🇬🇧GB | assigned | |
| 81.87.22.160/28 | 🇬🇧GB | assigned | |
| 81.87.22.240/28 | 🇬🇧GB | assigned | |
| 81.87.23.160/28 | 🇬🇧GB | assigned | |
| 81.87.19.128/29 | 🇬🇧GB | assigned | |
| 81.87.18.64/29 | 🇬🇧GB | assigned | |
| 81.87.18.112/29 | 🇬🇧GB | assigned | |
| 81.87.22.176/29 | 🇬🇧GB | assigned | |
| 81.87.23.176/29 | 🇬🇧GB | assigned |
Origin ASN
AS786
JANET - Jisc Services Limited
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/81.87.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.87.0.0/16" | jq
External Links