209.206.40.0/21 - BGP Prefix
IPv4ARINallocated
CIDR
209.206.40.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
San Mateo (South San Mateo)
RIR
ARIN
Status
allocated
Allocated
2017-03-02
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 209.206.40.0/21 | AS22697 | /24 | arin |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS22697 | Other IRR | MAINT-AS22697 | 2024-03-06 |
Transfer History
Registry transfers of 209.206.40.0/21, blocks inside it, or blocks containing it.
- 209.206.40.0/21Transfer ·
- 209.206.0.0/17M&A ·
Geolocation
Country🇺🇸United StatesUS
RegionCalifornia
CitySan Mateo (South San Mateo)
Coordinates37.5437, -122.2940 ↗
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/209.206.40.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/209.206.40.0/21" | jq
External Links