156.74.248.0/21
🇺🇸CIDR
156.74.248.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Seattle (Downtown Seattle)
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 156.74.248.0/21 | AS3401SEATTLE - City of Seattle, Dept. of Admin. Services | No ROA | — | 5/31/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 156.74.248.0/22 | AS3401SEATTLE - City of Seattle, Dept. of Admin. Services | No ROA | — | 5/31/2026 |
| 156.74.252.0/22 | AS3401SEATTLE - City of Seattle, Dept. of Admin. Services | No ROA | — | 5/31/2026 |
Geolocation
Country🇺🇸United StatesUS
RegionWashington
CitySeattle (Downtown Seattle)
Coordinates47.6052, -122.3300 ↗
API
Open https://api.ipctl.io/v1/prefix/156.74.248.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/156.74.248.0/21" | jq
External Links