173.243.0.0/20
🇺🇸CIDR
173.243.0.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇺🇸 United States
City
San Jose (North San Jose)
RIR
ARIN
Status
allocated
Allocated
5/18/2010
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 173.243.0.0/20 | AS13445WEBEX - Cisco Webex LLC | Valid | ARINRADB | 6/1/2026 |
Origin ASN
AS13445
WEBEX - Cisco Webex LLC
Geolocation
Country🇺🇸United StatesUS
RegionCalifornia
CitySan Jose (North San Jose)
Coordinates37.4084, -121.9540 ↗
API
Open https://api.ipctl.io/v1/prefix/173.243.0.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/173.243.0.0/20" | jq
External Links