110.232.128.0/21
🇯🇵CIDR
110.232.128.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇯🇵 Japan
City
Chiyoda City
RIR
APNIC
Status
allocated
Allocated
5/20/2009
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 110.232.128.0/21 | AS4721JCN - JCOM Co., Ltd. | Valid | RADB | 5/31/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 110.232.128.0/22 | AS4721JCN - JCOM Co., Ltd. | Valid | — | 5/31/2026 |
| 110.232.132.0/22 | AS4721JCN - JCOM Co., Ltd. | Valid | — | 5/31/2026 |
Origin ASN
AS4721
JCN - JCOM Co., Ltd.
Geolocation
API
Open https://api.ipctl.io/v1/prefix/110.232.128.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/110.232.128.0/21" | jq
External Links