43.163.200.0/21 - BGP Prefix
IPv4APNICassigned RPKI Valid
CIDR
43.163.200.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇯🇵 Japan
City
Shibuya City
RIR
APNIC
Status
assigned
Allocated
-
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 43.163.192.0/19 | AS132203 TENCENT-NET-AP-CN - Tencent Building, Kejizhongyi Avenue | Valid | - | 2026-10-12 |
RPKI ROAs
Transfer History
Registry transfers of 43.163.200.0/21, blocks inside it, or blocks containing it.
- 43.160.0.0/12Transfer ·
- 43.128.0.0/10Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 43.160.0.0/12 | Transfer | |||
| 43.128.0.0/10 | Transfer |
Related Prefixes
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/43.163.200.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/43.163.200.0/21" | jq
External Links