AS4538

Name: AS4538 — China Education and Research Network Center
Creator: ipdex

China Education and Research Network Center Education registered in China

4,962IPv4 prefixes

918IPv6 prefixes

39%RPKI-valid

#1,787AS Rank

#2Rank in China

2002-08-01Allocated

China Education and Research Network Center (AS4538) — Education, registered in China. announces 4,962 IPv4 prefixes + 918 IPv6 prefixes. Rank in China: #2. Allocated: 2002-08-01.

IPv4 4,962IPv6 918

Announced prefixes · 5,880

v4 111.186.0.0/18 unknown
v4 111.186.0.0/19 unknown
v4 111.186.192.0/18 unknown
v4 111.186.199.0/24 valid
v4 111.186.252.0/24 valid
v4 111.186.32.0/19 unknown
v4 111.186.64.0/19 unknown
v4 111.186.96.0/19 unknown
v4 111.187.0.0/17 unknown
v4 111.187.0.0/19 unknown
v4 111.187.128.0/18 unknown
v4 111.187.192.0/22 unknown
v4 113.54.0.0/15 unknown
v4 113.54.0.0/20 unknown
v4 113.54.128.0/17 unknown
v4 113.54.16.0/20 unknown
v4 113.54.32.0/19 unknown
v4 113.55.0.0/17 unknown
v4 113.55.128.0/18 unknown
v4 113.55.192.0/19 unknown
v4 113.55.224.0/20 unknown
v4 113.55.240.0/20 unknown
v4 114.212.0.0/15 unknown
v4 114.212.0.0/16 unknown
v4 114.212.0.0/17 unknown
v4 114.212.128.0/17 unknown
v4 114.213.0.0/19 unknown
v4 114.213.144.0/20 unknown
v4 114.213.160.0/21 unknown
v4 114.213.168.0/22 unknown
v4 114.213.172.0/23 unknown
v4 114.213.176.0/23 unknown
v4 114.213.178.0/24 valid
v4 114.213.192.0/18 unknown
v4 114.213.44.0/22 unknown
v4 114.213.48.0/21 unknown
v4 114.213.64.0/18 unknown
v4 114.214.0.0/16 unknown
v4 114.214.0.0/20 unknown
v4 114.214.124.0/22 unknown
v4 114.214.128.0/20 unknown
v4 114.214.144.0/20 unknown
v4 114.214.16.0/21 unknown
v4 114.214.160.0/19 unknown
v4 114.214.192.0/18 unknown
v4 114.214.192.0/21 unknown
v4 114.214.200.0/21 unknown
v4 114.214.208.0/21 unknown
v4 114.214.216.0/21 unknown
v4 114.214.224.0/19 unknown

RPKI: rpki.cloudflare.com · 2026-06-20

— Routing status unavailable

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	5882
2026-06-13	5882
2026-06-14	5880
2026-06-16	5880
2026-06-17	5878
2026-06-19	5881
2026-06-20	5880

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AS4538

Announced prefixes · 5,880

Prefix history

AS topology · Customer cone 17

Providers · 12

Peers · 33

Customers · 15

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