161.121.128.0/20
🇺🇸CIDR
161.121.128.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇺🇸 United States
RIR
APNIC
Status
assigned
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 161.121.128.0/20 | AS38910JPMORGAN-TRANSIT-AS-JP-AP - Transit AS Tokyo | Valid | APNIC | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 161.121.128.0/19 | AS38910JPMORGAN-TRANSIT-AS-JP-AP - Transit AS Tokyo | Valid | — | 5/31/2026 |
Geolocation
Country🇺🇸United StatesUS
Coordinates37.0902, -95.7129 ↗
API
Open https://api.ipctl.io/v1/prefix/161.121.128.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/161.121.128.0/20" | jq
External Links