203.135.104.0/21 - No.288,Fu Chun Road (AS58461)
CIDR
203.135.104.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇨🇳 China
City
Lingzhi (Yuecheng Qu)
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.135.104.0/21 | AS58461 CT-HangZhou-IDC - No.288,Fu-chun Road | Valid | Other IRR | 2026-10-13 |
More-Specific Announcements
8 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.135.104.0/24 | AS56046 CMNET-Jiangsu-AP - China Mobile communications corporation | Valid | - | 2026-10-13 |
| 203.135.105.0/24 | AS56046 CMNET-Jiangsu-AP - China Mobile communications corporation | Valid | - | 2026-10-13 |
| 203.135.106.0/24 | AS56046 CMNET-Jiangsu-AP - China Mobile communications corporation | Valid | - | 2026-10-13 |
| 203.135.107.0/24 | AS56046 CMNET-Jiangsu-AP - China Mobile communications corporation | Valid | - | 2026-10-13 |
| 203.135.108.0/24 | AS56046 CMNET-Jiangsu-AP - China Mobile communications corporation | Valid | - | 2026-10-13 |
| 203.135.109.0/24 | AS56046 CMNET-Jiangsu-AP - China Mobile communications corporation | Valid | - | 2026-10-13 |
| 203.135.110.0/24 | AS56046 CMNET-Jiangsu-AP - China Mobile communications corporation | Valid | - | 2026-10-13 |
| 203.135.111.0/24 | AS56046 CMNET-Jiangsu-AP - China Mobile communications corporation | Valid | - | 2026-10-13 |
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/203.135.104.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.135.104.0/21" | jq
External Links