137.49.128.0/18
🇺🇸CIDR
137.49.128.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇺🇸 United States
City
Hartford
RIR
ARIN
Status
allocated
Allocated
11/1/1989
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 137.49.128.0/18 | AS393337UOFHARTFORD - The University of Hartford | No ROA | ARIN | 5/31/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 137.49.186.0/24 | AS393337UOFHARTFORD - The University of Hartford | No ROA | — | 5/31/2026 |
| 137.49.187.0/24 | AS393337UOFHARTFORD - The University of Hartford | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS393337 | ARIN | MNT-UNIVER-78-Z | 5/26/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/137.49.128.0/18Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/137.49.128.0/18" | jq
External Links