66.40.192.0/18 - BGP Prefix
IPv4ARINallocated
CIDR
66.40.192.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇺🇸 United States
City
Los Angeles
RIR
ARIN
Status
allocated
Allocated
2000-10-31
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS13768 | Other IRR | MAINT-AS13768 | 2026-06-30 |
Transfer History
Registry transfers of 66.40.192.0/18, blocks inside it, or blocks containing it.
- 66.40.0.0/16M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 66.40.0.0/16 | M&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 transfers in the ARIN regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/66.40.192.0/18Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/66.40.192.0/18" | jq
External Links