129.37.144.0/20
🇺🇸CIDR
129.37.144.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇺🇸 United States
City
Dallas (Dallas Downtown Historic District)
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 129.37.144.0/20 | AS2685ATGS-MMD-AS - AT&T Enterprises, LLC | No ROA | RADB | 6/13/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 129.37.0.0/16 | AS7018ATT-INTERNET4 - AT&T Enterprises, LLC | No ROA | — | 6/13/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS2685 | RADB | MAINT-AS7132 | 11/13/2023 |
Geolocation
Country🇺🇸United StatesUS
RegionTexas
CityDallas (Dallas Downtown Historic District)
Coordinates32.7796, -96.7989 ↗
API
Open https://api.ipctl.io/v1/prefix/129.37.144.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/129.37.144.0/20" | jq
External Links