AS4538

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

China Education and Research Network Center Education registered in China

4,963IPv4 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 4,963 IPv4 prefixes + 918 IPv6 prefixes. Rank in China: #2. Allocated: 2002-08-01.

IPv4 4,963IPv6 918

Announced prefixes · 5,881

v4 101.76.160.0/19 unknown
v4 101.76.192.0/18 unknown
v4 101.76.192.0/23 unknown
v4 101.76.32.0/21 unknown
v4 101.76.40.0/21 unknown
v4 101.76.48.0/20 unknown
v4 101.76.64.0/19 unknown
v4 101.76.96.0/20 unknown
v4 101.77.0.0/16 unknown
v4 103.137.60.0/24 unknown
v4 103.165.110.0/24 valid
v4 103.165.111.0/24 valid
v4 103.252.172.0/22 unknown
v4 103.31.48.0/22 unknown
v4 110.64.0.0/15 unknown
v4 110.64.0.0/16 unknown
v4 110.64.0.0/20 unknown
v4 110.64.128.0/20 unknown
v4 110.64.148.0/23 unknown
v4 110.64.151.0/24 valid
v4 110.64.152.0/24 valid
v4 110.64.153.0/24 valid
v4 110.64.16.0/21 unknown
v4 110.64.160.0/20 unknown
v4 110.64.176.0/20 unknown
v4 110.64.192.0/21 unknown
v4 110.64.200.0/22 unknown
v4 110.64.204.0/23 unknown
v4 110.64.206.0/24 valid
v4 110.64.207.0/24 valid
v4 110.64.208.0/22 unknown
v4 110.64.212.0/22 unknown
v4 110.64.216.0/21 unknown
v4 110.64.24.0/24 valid
v4 110.64.30.0/23 unknown
v4 110.64.32.0/21 unknown
v4 110.64.48.0/21 unknown
v4 110.64.56.0/22 unknown
v4 110.64.60.0/22 unknown
v4 110.64.64.0/19 unknown
v4 110.64.96.0/19 unknown
v4 110.65.0.0/16 unknown
v4 110.65.0.0/18 unknown
v4 110.65.112.0/23 unknown
v4 110.65.128.0/22 unknown
v4 110.65.132.0/24 valid
v4 110.65.133.0/24 valid
v4 110.65.134.0/23 unknown
v4 110.65.136.0/23 unknown
v4 110.65.138.0/24 valid

RPKI: rpki.cloudflare.com · 2026-06-19

— 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

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AS4538

Announced prefixes · 5,881

Prefix history

AS topology · Customer cone 17

Providers · 12

Peers · 33

Customers · 15

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