129.43.0.0/16
🇺🇸CIDR
129.43.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Frederick (Riverside Corporate Park)
RIR
ARIN
Status
allocated
Allocated
7/29/1987
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 129.43.0.0/16 | AS6150NCIFCRF - National Cancer Institute | No ROA | RADB | 5/30/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS6150 | RADB | MAINT-AS10886 | 11/13/2023 |
Geolocation
Country🇺🇸United StatesUS
RegionMaryland
CityFrederick (Riverside Corporate Park)
Coordinates39.4388, -77.3626 ↗
API
Open https://api.ipctl.io/v1/prefix/129.43.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/129.43.0.0/16" | jq
External Links