161.5.0.0/16
🇦🇹CIDR
161.5.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇦🇹 Austria
City
Vienna (Donaustadt)
RIR
RIPENCC
Status
assigned
Allocated
4/23/1992
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 161.5.0.0/16 | AS12311IAEA International Atomic Energy Agency | No ROA | RIPE | 5/30/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 161.5.32.0/24 | AS215048IAEA-AS2 International Atomic Energy Agency | No ROA | — | 5/30/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS12311 | RIPE | AS12311-MNT | 1/30/2025 |
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/161.5.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/161.5.0.0/16" | jq
External Links