AS17428
21Vianet.Co.,Ltd Unknown registered in China
20IPv4 prefixes
3IPv6 prefixes
100%RPKI-valid
#18,973AS Rank
327/327RIS visibility
#207Rank in China
2000-10-19Allocated
21Vianet.Co.,Ltd (AS17428) — Unknown, registered in China. announces 20 IPv4 prefixes + 3 IPv6 prefixes. Rank in China: #207. Allocated: 2000-10-19.
IPv4 20IPv6 3
Announced prefixes · 23
- v4 103.253.204.0/22 valid
- v4 120.132.224.0/21 valid
- v4 120.132.224.0/23 valid
- v4 120.132.224.0/24 valid
- v4 120.132.228.0/23 valid
- v4 120.132.230.0/23 valid
- v4 120.132.231.0/24 valid
- v4 120.133.240.0/21 valid
- v4 120.133.240.0/22 valid
- v4 120.133.248.0/22 valid
- v4 120.133.252.0/22 valid
- v4 182.175.127.0/24 valid
- v4 211.148.17.0/24 valid
- v4 211.148.18.0/23 valid
- v4 211.148.20.0/22 valid
- v4 211.148.20.0/23 valid
- v4 211.148.22.0/24 valid
- v4 211.148.24.0/23 valid
- v4 211.148.27.0/24 valid
- v4 211.148.30.0/23 valid
- v6 2403:a200::/32 valid
- v6 2403:a200:a100::/48 valid
- v6 2403:a200:a20f::/48 valid
RPKI: rpki.cloudflare.com · 2026-06-17
Routing: 25 IPv4 · 4 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17
Prefix history
Data table
| Day | Announced prefixes |
|---|---|
| 2026-06-12 | 23 |
| 2026-06-13 | 23 |
Internet Exchanges · 2
- CNIX Beijing 20 Gbps
- CNIX (Qianhai, Shenzhen) Shenzhen 10 Gbps
Facilities · 1
- Telehouse - Beijing BEZ Beijing
AS topology · Customer cone 1
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