156.1.0.0/16
🇺🇸CIDR
156.1.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
San Francisco (Lakeshore)
RIR
ARIN
Status
allocated
Allocated
10/29/1991
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 156.1.0.0/16 | AS22226SFUSD - San Francisco Unified School District | No ROA | RADB | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS22226 | RADB | MAINT-AS2150 | 11/13/2023 |
Geolocation
Country🇺🇸United StatesUS
RegionCalifornia
CitySan Francisco (Lakeshore)
Coordinates37.7304, -122.4830 ↗
API
Open https://api.ipctl.io/v1/prefix/156.1.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/156.1.0.0/16" | jq
External Links