2001:504:b::/48
🇺🇸CIDR
2001:504:b::/48
IP Version
IPv6
Addresses
1.2Y
Mask
/48
Country
🇺🇸 United States
City
Seattle (Downtown Seattle)
RIR
ARIN
Status
allocated
Allocated
2/11/2005
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2001:504:b::/48 | AS101WASH-NSF-AS - University of Washington | Valid | RADB | 5/31/2026 |
Geolocation
Country🇺🇸United StatesUS
RegionWashington
CitySeattle (Downtown Seattle)
Coordinates47.6145, -122.3390 ↗
API
Open https://api.ipctl.io/v1/prefix/2001:504:b::/48Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/2001:504:b::/48" | jq
External Links