146.203.0.0/18
🇺🇸CIDR
146.203.0.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇺🇸 United States
City
New York
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 146.203.0.0/18 | AS11452MOUNT-SINAI - Mount Sinai School of Medicine | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS7029 | RADB | MAINT-AS7029 | 11/13/2023 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/146.203.0.0/18Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/146.203.0.0/18" | jq
External Links