153.105.0.0/16
🇺🇸CIDR
153.105.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
San Diego
RIR
ARIN
Status
allocated
Allocated
9/24/1991
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 153.105.0.0/16 | AS195SDSC-AS - San Diego Supercomputer Center | No ROA | RADB | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 153.105.81.0/24 | AS22213SALK-AS - Salk Institute | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS195 | RADB | MAINT-AS195 | 11/13/2023 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/153.105.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/153.105.0.0/16" | jq
External Links