ıpdex
China

AS212237

Changgong Zhang Education registered in China

5IPv4 prefixes
5IPv6 prefixes
100%RPKI-valid
#63,760AS Rank
326/326RIS visibility
#271Rank in China
2020-12-02Allocated

Changgong Zhang (AS212237) — Education, registered in China. announces 5 IPv4 prefixes + 5 IPv6 prefixes. Rank in China: #271. Allocated: 2020-12-02.

Announced prefixes · 10

RPKI: rpki.cloudflare.com · 2026-06-17

Routing: 5 IPv4 · 5 IPv6 announced · RIS visibility 326/326 RIS peers · RIPEstat · 2026-06-17

Prefix history

0 5 10 2026-06-12 2026-06-13
Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)
Data table
DayAnnounced prefixes
2026-06-1210
2026-06-1310

Internet Exchanges · 6

AS topology · Customer cone 1

Providers · 4

Peers · 1

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