117.53.16.0/20
🇯🇵CIDR
117.53.16.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇯🇵 Japan
City
Chiyoda
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 117.53.16.0/20 | AS18136CTA - JCOM Co., Ltd. | Valid | RADB | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 117.53.0.0/19 | AS18136CTA - JCOM Co., Ltd. | Valid | — | 5/31/2026 |
Origin ASN
AS18136
CTA - JCOM Co., Ltd.
Geolocation
API
Open https://api.ipctl.io/v1/prefix/117.53.16.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/117.53.16.0/20" | jq
External Links