128.121.128.0/17
🇺🇸CIDR
128.121.128.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇺🇸 United States
City
Redmond (Downtown)
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 128.121.128.0/17 | AS203020HostRoyale HostRoyale Technologies Pvt Ltd | Valid | — | 6/1/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 128.121.0.0/16 | AS2914NTT-DATA-2914 - NTT America, Inc. | Valid | — | 6/1/2026 |
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/128.121.128.0/17Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/128.121.128.0/17" | jq
External Links