137.0.0.0/13
🇺🇸CIDR
137.0.0.0/13
IP Version
IPv4
Addresses
524.2K
Mask
/13 (255.248.0.0)
Country
🇺🇸 United States
City
Montgomery
RIR
RIPE
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 137.0.0.0/13 | AS721DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD) | No ROA | — | 5/31/2026 |
Covering Prefix
29 less-specific announcementsMore Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 137.2.0.0/16 | 🇺🇸US | allocated | |
| 137.6.0.0/16 | 🇺🇸US | allocated | |
| 137.4.0.0/16 | AS56 | 🇺🇸US | allocated |
| 137.5.0.0/16 | 🇺🇸US | allocated | |
| 137.1.0.0/16 | AS56 | 🇺🇸US | allocated |
| 137.0.0.0/16 | AS391 | 🇺🇸US | allocated |
| 137.3.0.0/16 | AS56 | 🇺🇸US | allocated |
| 137.7.0.0/16 | AS56 | 🇺🇸US | allocated |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/137.0.0.0/13Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/137.0.0.0/13" | jq
External Links