81.28.144.0/20
🇺🇸CIDR
81.28.144.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇺🇸 United States
City
Teaneck
RIR
ARIN
Status
allocated
Allocated
3/19/2020
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.28.144.0/20 | AS397766FDU-CA - Fairleigh Dickinson University | No ROA | ARIN | 6/1/2026 |
Covering Prefix
3 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.28.152.0/21 | AS397766FDU-CA - Fairleigh Dickinson University | No ROA | — | 6/1/2026 |
| 81.28.148.0/22 | AS397766FDU-CA - Fairleigh Dickinson University | No ROA | — | 6/1/2026 |
| 81.28.146.0/23 | AS397766FDU-CA - Fairleigh Dickinson University | No ROA | — | 6/1/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/81.28.144.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.28.144.0/20" | jq
External Links