112.137.64.0/18
🇯🇵CIDR
112.137.64.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇯🇵 Japan
City
Chiyoda
RIR
APNIC
Status
allocated
Allocated
2/4/2009
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 112.137.64.0/18 | AS4721JCN - JCOM Co., Ltd. | Valid | RADB | 6/1/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 112.137.64.0/19 | AS4721JCN - JCOM Co., Ltd. | Valid | — | 6/1/2026 |
| 112.137.96.0/19 | AS4721JCN - JCOM Co., Ltd. | Valid | — | 6/1/2026 |
Origin ASN
AS4721
JCN - JCOM Co., Ltd.
Geolocation
API
Open https://api.ipctl.io/v1/prefix/112.137.64.0/18Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/112.137.64.0/18" | jq
External Links