131.128.0.0/16
🇺🇸CIDR
131.128.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Kingston
RIR
ARIN
Status
allocated
Allocated
11/18/1988
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 131.128.0.0/16 | AS14348URI-AS - University of Rhode Island | No ROA | RADB | 5/30/2026 |
Covering Prefix
3 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 131.128.0.0/17 | AS14348URI-AS - University of Rhode Island | No ROA | — | 5/30/2026 |
| 131.128.128.0/17 | AS14348URI-AS - University of Rhode Island | No ROA | — | 5/30/2026 |
| 131.128.76.0/24 | AS14325OSHEAN - OSHEAN, Inc. | No ROA | — | 5/30/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/131.128.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/131.128.0.0/16" | jq
External Links