129.37.0.0/16
🇺🇸CIDR
129.37.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
New York
RIR
ARIN
Status
allocated
Allocated
6/6/1989
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 129.37.0.0/16 | AS7018ATT-INTERNET4 - AT&T Enterprises, LLC | No ROA | RADB | 6/13/2026 |
Covering Prefix
8 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 129.37.160.0/20 | AS2685ATGS-MMD-AS - AT&T Enterprises, LLC | No ROA | — | 6/13/2026 |
| 129.37.144.0/20 | AS2685ATGS-MMD-AS - AT&T Enterprises, LLC | No ROA | — | 6/13/2026 |
| 129.37.136.0/21 | AS2685ATGS-MMD-AS - AT&T Enterprises, LLC | No ROA | — | 6/13/2026 |
| 129.37.176.0/22 | AS2685ATGS-MMD-AS - AT&T Enterprises, LLC | No ROA | — | 6/13/2026 |
| 129.37.11.0/24 | AS2386INS-AS - AT&T Enterprises, LLC | No ROA | — | 6/13/2026 |
| 129.37.6.0/24 | AS2386INS-AS - AT&T Enterprises, LLC | No ROA | — | 6/13/2026 |
| 129.37.2.0/24 | AS2386INS-AS - AT&T Enterprises, LLC | No ROA | — | 6/13/2026 |
| 129.37.0.0/24 | AS2386INS-AS - AT&T Enterprises, LLC | No ROA | — | 6/13/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS7018 | RADB | MAINT-AS7132 | 11/13/2023 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/129.37.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/129.37.0.0/16" | jq
External Links