210.52.216.0/21 - BGP Prefix
IPv4APNICassignedNo ROA
CIDR
210.52.216.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇨🇳 China
City
Beizang
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 announced as a whole. Parts of it are announced as more-specific prefixes, see below. | ||||
Related Announcements
1 less-specific, 6 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 210.52.192.0/18 | AS9929 CUII - CHINA UNICOM Industrial Internet Backbone | No ROA | - | 2026-10-12 |
| 210.52.216.0/24 | AS17621 CNCGROUP-SH - China Unicom Shanghai network | Valid | - | 2026-10-12 |
| 210.52.217.0/24 | AS17621 CNCGROUP-SH - China Unicom Shanghai network | Valid | - | 2026-10-12 |
| 210.52.218.0/23 | AS17621 CNCGROUP-SH - China Unicom Shanghai network | Valid | - | 2026-10-12 |
| 210.52.218.0/24 | AS17621 CNCGROUP-SH - China Unicom Shanghai network | Valid | - | 2026-10-12 |
| 210.52.222.0/24 | AS17621 CNCGROUP-SH - China Unicom Shanghai network | Valid | - | 2026-10-12 |
| 210.52.223.0/24 | AS17621 CNCGROUP-SH - China Unicom Shanghai network | Valid | - | 2026-10-12 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS17621 | Other IRR | MAINT-AS4637 | 2023-11-13 |
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/210.52.216.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/210.52.216.0/21" | jq
External Links