131.172.28.0/23
🇦🇺CIDR
131.172.28.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇦🇺 Australia
City
Heidelberg Heights
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 131.172.28.0/23 | AS135893LATROBEUNIVERSITY-AS-AP - La Trobe University | No ROA | — | 5/30/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 131.172.0.0/16 | AS135893LATROBEUNIVERSITY-AS-AP - La Trobe University | No ROA | — | 5/30/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/131.172.28.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/131.172.28.0/23" | jq
External Links