104.128.208.0/20
🇺🇸CIDR
104.128.208.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇺🇸 United States
City
Pittsburgh (Allison Park)
RIR
ARIN
Status
allocated
Allocated
6/5/2014
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 104.128.208.0/20 | AS5050PSC-EXT - Pittsburgh Supercomputing Center | No ROA | RADB | 6/1/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS5050 | RADB | MAINT-AS5050 | 7/30/2025 |
Geolocation
Country🇺🇸United StatesUS
RegionPennsylvania
CityPittsburgh (Allison Park)
Coordinates40.5686, -80.0145 ↗
API
Open https://api.ipctl.io/v1/prefix/104.128.208.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/104.128.208.0/20" | jq
External Links