143.52.0.0/15
🇬🇧CIDR
143.52.0.0/15
IP Version
IPv4
Addresses
131K
Mask
/15 (255.254.0.0)
Country
🇬🇧 United Kingdom
City
Sheffield (Sheffield City Centre)
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 143.52.0.0/15 | AS786JANET - Jisc Services Limited | No ROA | RIPE | 6/13/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS786 | RIPE | JIPS-NOSC | 7/6/2007 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 143.52.0.0/16 | 🇬🇧GB | assigned | |
| 143.53.0.0/16 | 🇬🇧GB | assigned |
Origin ASN
AS786
JANET - Jisc Services Limited
Geolocation
Country🇬🇧United KingdomGB
RegionEngland
CitySheffield (Sheffield City Centre)
Coordinates53.3785, -1.4663 ↗
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/143.52.0.0/15Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/143.52.0.0/15" | jq
External Links