161.40.0.0/16
🇺🇸CIDR
161.40.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Ashburn
RIR
ARIN
Status
allocated
Allocated
9/30/1996
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 161.40.0.0/16 | AS297AS297 - National Aeronautics and Space Administration | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS1202 | RADB | MAINT-AS297 | 3/11/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/161.40.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/161.40.0.0/16" | jq
External Links