81.161.240.0/20
🇧🇬CIDR
81.161.240.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇧🇬 Bulgaria
City
Sofia
RIR
RIPENCC
Status
assigned
Allocated
4/17/2003
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.161.240.0/20 | AS28949TUSNET-AS Technical University of Sofia | No ROA | RIPE | 5/31/2026 |
Covering Prefix
16 less-specific announcementsIRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS28949 | RIPE | TUSOFIA-MNT | 5/17/2003 |
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/81.161.240.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.161.240.0/20" | jq
External Links