129.137.0.0/16
🇺🇸CIDR
129.137.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Cincinnati (Corryville)
RIR
ARIN
Status
allocated
Allocated
12/14/1987
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 129.137.0.0/16 | AS20126UC-DOM - University of Cincinnati | No ROA | RADB | 6/1/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 129.137.28.0/24 | AS20126UC-DOM - University of Cincinnati | No ROA | — | 6/1/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS20126 | RADB | MAINT-AS600 | 11/13/2023 |
Origin ASN
AS20126
UC-DOM - University of Cincinnati
Geolocation
API
Open https://api.ipctl.io/v1/prefix/129.137.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/129.137.0.0/16" | jq
External Links