172.71.64.0/20
🇺🇸CIDR
172.71.64.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇺🇸 United States
City
San Francisco
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 172.71.64.0/20 | AS202623CLOUDFLARENET-CORE Cloudflare Inc | No ROA | — | 5/30/2026 |
Geolocation
This is an anycast prefix. The location shown is the organization HQ — actual server location varies by your network path.
Country🇺🇸United StatesUS
RegionCalifornia
CitySan Francisco
TimezoneAmerica/Los_Angeles
Coordinates37.7749, -122.4194 ↗
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/172.71.64.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/172.71.64.0/20" | jq
External Links