209.40.208.0/20 - BGP Prefix
IPv4not announced RPKI Valid
CIDR
209.40.208.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇺🇸 United States
City
San Francisco
Status
not announced
Allocated
-
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below. | ||||
More-Specific Announcements
2 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 209.40.208.0/21 | AS203020 HostRoyale HostRoyale Technologies Pvt Ltd | No ROA | - | 2026-10-12 |
| 209.40.216.0/21 | AS202015 HZ-US-AS HZ Hosting Ltd | Valid | - | 2026-10-12 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 209.40.208.0/21 | AS203020 | 🇺🇸US | allocated |
| 209.40.216.0/21 | AS202015 | 🇱🇹LT | allocated |
Transfer History
Registry transfers of 209.40.208.0/20, blocks inside it, or blocks containing it.
- 209.40.208.0/21inter-RIRTransfer ·
- 209.40.216.0/21inter-RIRTransfer ·
- 209.40.208.0/20M&A ·
Geolocation
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 transfer marketTransfers published by all five RIRs
API
Open https://api.ipctl.io/v1/prefix/209.40.208.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/209.40.208.0/20" | jq
External Links