143.55.64.0/20
🇺🇸CIDR
143.55.64.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇺🇸 United States
City
San Francisco (South Beach)
RIR
ARIN
Status
allocated
Allocated
4/6/2020
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 143.55.64.0/20 | AS36459GITHUB - GitHub, Inc. | Valid | RADB | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 143.55.64.0/24 | AS36459GITHUB - GitHub, Inc. | Valid | — | 5/31/2026 |
Origin ASN
AS36459
GITHUB - GitHub, Inc.
Geolocation
Country🇺🇸United StatesUS
RegionCalifornia
CitySan Francisco (South Beach)
Coordinates37.7823, -122.3910 ↗
API
Open https://api.ipctl.io/v1/prefix/143.55.64.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/143.55.64.0/20" | jq
External Links