64.204.128.0/21
🇯🇵CIDR
64.204.128.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇯🇵 Japan
City
Tokyo
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 64.204.128.0/21 | AS11059MIFFLIN-COUNTY-WIRELESS - MIFFLIN COUNTY WIRELESS LLC | No ROA | — | 5/31/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 64.204.0.0/15 | AS3257GTT-BACKBONE GTT Communications Inc. | No ROA | — | 5/31/2026 |
| 64.204.133.0/24 | AS29802HVC-AS - HIVELOCITY, Inc. | Valid | — | 5/31/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/64.204.128.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/64.204.128.0/21" | jq
External Links