61.21.0.0/17
🇯🇵CIDR
61.21.0.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇯🇵 Japan
City
Suginami City
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 61.21.0.0/17 | AS9824JTCL-JP-AS - JCOM Co., Ltd. | Valid | RADB | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 61.21.0.0/16 | AS9824JTCL-JP-AS - JCOM Co., Ltd. | Valid | — | 5/31/2026 |
Origin ASN
AS9824
JTCL-JP-AS - JCOM Co., Ltd.
Geolocation
API
Open https://api.ipctl.io/v1/prefix/61.21.0.0/17Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/61.21.0.0/17" | jq
External Links