175.28.56.0/21 - BGP Prefix
IPv4APNICnot announced RPKI Valid
CIDR
175.28.56.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇯🇵 Japan
City
Chiyoda City
RIR
APNIC
Status
not announced
Allocated
-
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below. | ||||
More-Specific Announcements
3 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 175.28.56.0/22 | AS10013 FBDC FreeBit Co.,Ltd. | Valid | - | 2026-10-11 |
| 175.28.60.0/23 | AS10013 FBDC FreeBit Co.,Ltd. | Valid | - | 2026-10-11 |
| 175.28.62.0/24 | AS10013 FBDC FreeBit Co.,Ltd. | Valid | - | 2026-10-11 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 175.28.56.0/22 | AS10013 | 🇯🇵JP | allocated |
| 175.28.60.0/23 | AS10013 | 🇯🇵JP | allocated |
| 175.28.62.0/24 | AS10013 | 🇯🇵JP | allocated |
| 175.28.63.0/24 | 🇯🇵JP | allocated |
Transfer History
Registry transfers of 175.28.56.0/21, blocks inside it, or blocks containing it.
- 175.28.63.0/24Transfer ·
- 175.28.56.0/21Transfer ·
- 175.28.48.0/20Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 175.28.63.0/24 | Transfer | |||
| 175.28.56.0/21 | Transfer | |||
| 175.28.48.0/20 | Transfer |
Geolocation
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the APNIC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/175.28.56.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/175.28.56.0/21" | jq
External Links