208.72.136.0/21 - Webpass (AS19165)
CIDR
208.72.136.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
San Francisco (South of Market)
RIR
ARIN
Status
allocated
Allocated
2006-11-16
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 208.72.136.0/21 | AS19165 WEBPASS - Webpass Inc. | Valid | ARIN | 2026-10-11 |
Origin ASN
AS19165
WEBPASS - Webpass Inc.
Related Prefixes
More prefixes of AS19165
All prefixes of AS19165 →Geolocation
Country🇺🇸United StatesUS
RegionCalifornia
CitySan Francisco (South of Market)
Coordinates37.7771, -122.4090 ↗
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the ARIN regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/208.72.136.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/208.72.136.0/21" | jq
External Links