172.102.128.0/20 - BGP Prefix
IPv4ARINallocated
CIDR
172.102.128.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇺🇸 United States
City
Arlington (Crystal Spring Knolls)
RIR
ARIN
Status
allocated
Allocated
2015-06-22
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 172.102.128.0/21 | AS402620 | 🇨🇦CA | allocated |
| 172.102.136.0/21 | 🇺🇸US | allocated |
Transfer History
Registry transfers of 172.102.128.0/20, blocks inside it, or blocks containing it.
- 172.102.128.0/21Transfer ·
- 172.102.128.0/20M&A ·
- 172.102.128.0/20M&A ·
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/172.102.128.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/172.102.128.0/20" | jq
External Links