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 114.214.24.0/21 unknown
v4 114.214.32.0/19 unknown
v4 114.214.64.0/20 unknown
v4 114.214.80.0/21 unknown
v4 114.214.88.0/21 unknown
v4 114.214.96.0/20 unknown
v4 115.154.0.0/15 unknown
v4 115.155.0.0/19 unknown
v4 115.155.128.0/19 unknown
v4 115.155.160.0/22 unknown
v4 115.155.164.0/22 unknown
v4 115.155.176.0/20 unknown
v4 115.155.192.0/20 unknown
v4 115.155.208.0/21 unknown
v4 115.155.224.0/20 unknown
v4 115.155.240.0/20 unknown
v4 115.155.32.0/19 unknown
v4 115.155.64.0/18 unknown
v4 115.156.0.0/15 unknown
v4 115.156.0.0/21 unknown
v4 115.156.128.0/17 unknown
v4 115.156.140.0/24 valid
v4 115.156.16.0/20 unknown
v4 115.156.191.0/24 valid
v4 115.156.32.0/20 unknown
v4 115.156.64.0/19 unknown
v4 115.156.8.0/21 unknown
v4 115.156.96.0/19 unknown
v4 115.157.128.0/20 unknown
v4 115.157.144.0/21 unknown
v4 115.157.160.0/19 unknown
v4 115.157.192.0/19 unknown
v4 115.157.240.0/20 unknown
v4 115.157.32.0/20 unknown
v4 115.157.46.0/23 unknown
v4 115.157.64.0/19 unknown
v4 115.158.0.0/16 unknown
v4 115.158.0.0/20 unknown
v4 115.158.112.0/21 unknown
v4 115.158.122.0/23 unknown
v4 115.158.128.0/19 unknown
v4 115.158.16.0/20 unknown
v4 115.158.16.0/22 unknown
v4 115.158.32.0/21 unknown
v4 115.158.40.0/21 unknown
v4 115.158.48.0/20 unknown
v4 115.158.64.0/21 unknown
v4 115.158.72.0/23 unknown
v4 115.158.74.0/23 unknown
v4 115.158.76.0/22 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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