131.91.0.0/16
🇺🇸CIDR
131.91.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Boca Raton
RIR
ARIN
Status
allocated
Allocated
10/31/1988
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 131.91.0.0/16 | AS12013FAUNET - Florida Atlantic University | No ROA | RADB | 5/30/2026 |
Covering Prefix
9 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 131.91.252.0/22 | AS11096FLORIDANET - FloridaNet | No ROA | — | 5/30/2026 |
| 131.91.204.0/22 | AS12013FAUNET - Florida Atlantic University | No ROA | — | 5/30/2026 |
| 131.91.212.0/22 | AS12013FAUNET - Florida Atlantic University | No ROA | — | 5/30/2026 |
| 131.91.184.0/22 | AS12013FAUNET - Florida Atlantic University | No ROA | — | 5/30/2026 |
| 131.91.183.0/24 | AS11096FLORIDANET - FloridaNet | No ROA | — | 5/30/2026 |
| 131.91.21.0/24 | AS12013FAUNET - Florida Atlantic University | No ROA | — | 5/30/2026 |
| 131.91.163.0/24 | AS12013FAUNET - Florida Atlantic University | No ROA | — | 5/30/2026 |
| 131.91.225.0/24 | AS12013FAUNET - Florida Atlantic University | No ROA | — | 5/30/2026 |
| 131.91.37.0/24 | AS12013FAUNET - Florida Atlantic University | No ROA | — | 5/30/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/131.91.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/131.91.0.0/16" | jq
External Links