137.48.0.0/15
🇺🇸IPv4RIPEassigned RPKI Valid
CIDR
137.48.0.0/15
IP Version
IPv4
Addresses
131K
Mask
/15 (255.254.0.0)
Country
🇺🇸 United States
City
Lincoln (East Campus)
RIR
RIPE
Status
assigned
Allocated
-
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
6 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 137.48.0.0/16 | AS7896NU-AS - The Board of Regents of the University of Nebraska | Valid | — | 6/13/2026 |
| 137.49.0.0/17 | AS393337UOFHARTFORD - The University of Hartford | No ROA | — | 6/13/2026 |
| 137.49.128.0/18 | AS393337UOFHARTFORD - The University of Hartford | No ROA | — | 6/13/2026 |
| 137.49.224.0/19 | AS19751CCRTC - Endeavor Communications | Valid | — | 6/13/2026 |
| 137.49.186.0/24 | AS393337UOFHARTFORD - The University of Hartford | No ROA | — | 6/13/2026 |
| 137.49.187.0/24 | AS393337UOFHARTFORD - The University of Hartford | No ROA | — | 6/13/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 137.48.0.0/16 | AS7896 | 🇺🇸US | allocated |
| 137.49.0.0/17 | AS393337 | 🇺🇸US | allocated |
| 137.49.128.0/18 | AS393337 | 🇺🇸US | allocated |
| 137.49.192.0/19 | 🇺🇸US | allocated | |
| 137.49.224.0/19 | AS19751 | 🇺🇸US | allocated |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/137.48.0.0/15Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/137.48.0.0/15" | jq
External Links