128.147.0.0/16
🇺🇸CIDR
128.147.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Pittsburgh (Central Oakland)
RIR
ARIN
Status
allocated
Allocated
9/8/1986
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 128.147.0.0/16 | AS122UPMC-AS122 - UPMC | No ROA | RADB | 5/30/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 128.147.75.0/24 | AS122UPMC-AS122 - UPMC | No ROA | — | 5/30/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS122 | RADB | MAINT-AS122 | 11/13/2023 |
Origin ASN
AS122
UPMC-AS122 - UPMC
Geolocation
Country🇺🇸United StatesUS
RegionPennsylvania
CityPittsburgh (Central Oakland)
Coordinates40.4404, -79.9580 ↗
API
Open https://api.ipctl.io/v1/prefix/128.147.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/128.147.0.0/16" | jq
External Links