31.12.0.0/21
🇦🇹CIDR
31.12.0.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇦🇹 Austria
City
Perchtoldsdorf
RIR
RIPENCC
Status
allocated
Allocated
4/15/2011
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 31.12.0.0/21 | AS29287AT-WZN-AS Wien Energie GmbH | No ROA | RIPE | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS29287 | RIPE | WZN-MNT | 1/21/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 31.12.6.0/23 | 🇦🇹AT | assigned | |
| 31.12.4.0/24 | 🇦🇹AT | assigned | |
| 31.12.0.0/24 | 🇦🇹AT | assigned | |
| 31.12.3.0/24 | 🇦🇹AT | assigned | |
| 31.12.5.0/24 | 🇦🇹AT | assigned | |
| 31.12.7.64/26 | 🇦🇹AT | assigned | |
| 31.12.7.48/28 | AS25012 | 🇦🇹AT | assigned |
| 31.12.7.0/29 | 🇦🇹AT | assigned |
Origin ASN
AS29287
AT-WZN-AS Wien Energie GmbH
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/31.12.0.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/31.12.0.0/21" | jq
External Links