66.171.38.0/24 - (AS399398)
CIDR
66.171.38.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇺🇸 United States
City
Arlington (Crystal Spring Knolls)
RIR
ARIN
Status
allocated
Allocated
2026-10-01
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS9009 | Other IRR | MAINT-AS9009 | 2023-11-13 |
Transfer History
Registry transfers of 66.171.38.0/24, blocks inside it, or blocks containing it.
- 66.171.38.0/24Transfer ·
- 66.171.32.0/21M&A ·
- 66.171.32.0/21Transfer ·
Origin ASN
AS399398
Related Prefixes
Geolocation
Country🇺🇸United StatesUS
RegionVirginia
CityArlington (Crystal Spring Knolls)
Coordinates38.8626, -77.0508 ↗
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/66.171.38.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/66.171.38.0/24" | jq
External Links