199.47.142.0/23 - OpenAI OpCo (AS401518)
CIDR
199.47.142.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇺🇸 United States
City
San Francisco (Mission San Rafael)
RIR
ARIN
Status
allocated
Allocated
2024-11-19
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 199.47.142.0/23 | AS401518 OAI-01 - OpenAI OpCo, LLC | Valid | ARIN | 2026-10-11 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 199.47.142.0/23 | AS401518 | /24 | arin |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS401518 | ARIN | MNT-OOL-15 | 2026-07-26 |
Transfer History
Registry transfers of 199.47.142.0/23, blocks inside it, or blocks containing it.
- 199.47.142.0/23Transfer ·
- 199.47.140.0/22Transfer ·
Origin ASN
AS401518
OAI-01 - OpenAI OpCo, LLC
Geolocation
Country🇺🇸United StatesUS
RegionCalifornia
CitySan Francisco (Mission San Rafael)
Coordinates37.7623, -122.4150 ↗
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/199.47.142.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/199.47.142.0/23" | jq
External Links