123.253.216.0/21
🇯🇵IPv4RIPEassigned RPKI Valid
CIDR
123.253.216.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇯🇵 Japan
RIR
RIPE
Status
assigned
Allocated
-
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
8 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 123.253.223.0/24 | AS134186PARADISETEC-AS-AP - Paradise Technologies Limited | Valid | — | 6/13/2026 |
| 123.253.220.0/24 | AS134971DOLYITCORNER-AS-AP - Md. Maniruzzaman Manir t/a Doly IT Corner | Valid | — | 6/13/2026 |
| 123.253.221.0/24 | AS134971DOLYITCORNER-AS-AP - Md. Maniruzzaman Manir t/a Doly IT Corner | Valid | — | 6/13/2026 |
| 123.253.222.0/24 | AS134971DOLYITCORNER-AS-AP - Md. Maniruzzaman Manir t/a Doly IT Corner | Valid | — | 6/13/2026 |
| 123.253.216.0/24 | AS136506LEONCOLTD-AS-AP - LEON CO.LTD | No ROA | — | 6/13/2026 |
| 123.253.217.0/24 | AS137386CW-AS-AP - Child Wisdom Limited | No ROA | — | 6/13/2026 |
| 123.253.219.0/24 | AS137386CW-AS-AP - Child Wisdom Limited | Valid | — | 6/13/2026 |
| 123.253.218.0/24 | AS137445AS-PFLINK-JP - PF LINK SYSTEMS | Valid | — | 6/13/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 123.253.216.0/22 | ðŸ‡ðŸ‡°HK | allocated | |
| 123.253.220.0/22 | AS134971 | 🇧🇩BD | allocated |
| 123.253.218.0/24 | AS137445 | 🇯🇵JP | assigned |
| 123.253.220.0/24 | AS134971 | 🇧🇩BD | assigned |
| 123.253.221.0/24 | AS134971 | 🇧🇩BD | assigned |
| 123.253.223.0/24 | AS134186 | 🇧🇩BD | assigned |
| 123.253.217.0/24 | AS137386 | 🇯🇵JP | assigned |
| 123.253.219.0/24 | AS137386 | 🇯🇵JP | assigned |
| 123.253.222.0/24 | AS134971 | 🇧🇩BD | assigned |
| 123.253.216.0/24 | AS136506 | 🇯🇵JP | assigned |
Geolocation
Country🇯🇵JapanJP
Coordinates36.2048, 138.2529 ↗
API
Open https://api.ipctl.io/v1/prefix/123.253.216.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/123.253.216.0/21" | jq
External Links