2602:f391::/40
🇺🇸CIDR
2602:f391::/40
IP Version
IPv6
Addresses
309.4Y
Mask
/40
Country
🇺🇸 United States
City
San Mateo (Central San Mateo)
RIR
ARIN
Status
allocated
Allocated
6/11/2026
Origin ASN
AS402511
Geolocation
Country🇺🇸United StatesUS
RegionCalifornia
CitySan Mateo (Central San Mateo)
Coordinates37.5585, -122.3020 ↗
API
Open https://api.ipctl.io/v1/prefix/2602:f391::/40Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/2602:f391::/40" | jq
External Links