131.162.88.0/21
🇺🇸IPv4ARINallocated
CIDR
131.162.88.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
San Francisco (Belden Place)
RIR
ARIN
Status
allocated
Allocated
4/13/2026
Geolocation
Country🇺🇸United StatesUS
RegionCalifornia
CitySan Francisco (Belden Place)
Coordinates37.7910, -122.4030 ↗
API
Open https://api.ipctl.io/v1/prefix/131.162.88.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/131.162.88.0/21" | jq
External Links