147.73.0.0/16
🇺🇸CIDR
147.73.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Ashburn
RIR
ARIN
Status
allocated
Allocated
7/5/1991
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 147.73.0.0/16 | AS5050PSC-EXT - Pittsburgh Supercomputing Center | No ROA | ARINRADB | 5/31/2026 |
Covering Prefix
9 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 147.73.192.0/18 | AS1207PSCNET-HS-TEST-AS - Pittsburgh Supercomputing Center | Valid | — | 5/31/2026 |
| 147.73.16.0/20 | AS5050PSC-EXT - Pittsburgh Supercomputing Center | Valid | — | 5/31/2026 |
| 147.73.4.0/24 | AS5050PSC-EXT - Pittsburgh Supercomputing Center | Valid | — | 5/31/2026 |
| 147.73.5.0/24 | AS5050PSC-EXT - Pittsburgh Supercomputing Center | Valid | — | 5/31/2026 |
| 147.73.6.0/24 | AS5050PSC-EXT - Pittsburgh Supercomputing Center | Valid | — | 5/31/2026 |
| 147.73.7.0/24 | AS5050PSC-EXT - Pittsburgh Supercomputing Center | No ROA | — | 5/31/2026 |
| 147.73.8.0/24 | AS5050PSC-EXT - Pittsburgh Supercomputing Center | Valid | — | 5/31/2026 |
| 147.73.3.0/24 | AS5050PSC-EXT - Pittsburgh Supercomputing Center | Valid | — | 5/31/2026 |
| 147.73.0.0/24 | AS5050PSC-EXT - Pittsburgh Supercomputing Center | Valid | — | 5/31/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/147.73.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/147.73.0.0/16" | jq
External Links