147.72.0.0/16
🇺🇸IPv4ARINallocated RPKI Valid
CIDR
147.72.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Pittsburgh (North Oakland)
RIR
ARIN
Status
allocated
Allocated
7/5/1991
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
5 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 147.72.252.0/22 | AS9CMU-ROUTER - Carnegie Mellon University | Valid | — | 6/13/2026 |
| 147.72.252.0/22 | AS36407CERT - Software Engineering Institute | Valid | — | 6/13/2026 |
| 147.72.244.0/23 | AS27604SETONHILLUNIVERSITY - Seton Hill University | Valid | — | 6/13/2026 |
| 147.72.249.0/24 | AS5050PSC-EXT - Pittsburgh Supercomputing Center | Valid | — | 6/13/2026 |
| 147.72.242.0/24 | AS19281QUAD9-AS-1 - Quad9 | Valid | — | 6/13/2026 |
Geolocation
Country🇺🇸United StatesUS
RegionPennsylvania
CityPittsburgh (North Oakland)
Coordinates40.4455, -79.9492 ↗
API
Open https://api.ipctl.io/v1/prefix/147.72.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/147.72.0.0/16" | jq
External Links