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 110.65.144.0/23 unknown
v4 110.65.146.0/24 valid
v4 110.65.147.0/24 valid
v4 110.65.156.0/24 valid
v4 110.65.157.0/24 valid
v4 110.65.158.0/23 unknown
v4 110.65.240.0/20 unknown
v4 110.65.64.0/21 unknown
v4 110.65.71.0/24 valid
v4 110.65.80.0/20 unknown
v4 110.65.96.0/20 unknown
v4 111.114.0.0/15 unknown
v4 111.114.0.0/18 unknown
v4 111.114.112.0/20 unknown
v4 111.114.128.0/19 unknown
v4 111.114.160.0/19 unknown
v4 111.114.64.0/22 unknown
v4 111.114.80.0/20 unknown
v4 111.114.96.0/20 unknown
v4 111.115.0.0/18 unknown
v4 111.115.112.0/21 unknown
v4 111.115.128.0/20 unknown
v4 111.115.144.0/20 unknown
v4 111.115.160.0/20 unknown
v4 111.115.192.0/20 unknown
v4 111.115.208.0/20 unknown
v4 111.115.64.0/20 unknown
v4 111.115.80.0/20 unknown
v4 111.115.96.0/20 unknown
v4 111.116.0.0/15 unknown
v4 111.116.0.0/18 unknown
v4 111.116.112.0/21 unknown
v4 111.116.120.0/21 unknown
v4 111.116.120.0/22 unknown
v4 111.116.124.0/22 unknown
v4 111.116.128.0/17 unknown
v4 111.116.64.0/19 unknown
v4 111.116.96.0/20 unknown
v4 111.117.0.0/16 unknown
v4 111.117.0.0/20 unknown
v4 111.117.112.0/20 unknown
v4 111.117.128.0/19 unknown
v4 111.117.16.0/21 unknown
v4 111.117.176.0/20 unknown
v4 111.117.32.0/20 unknown
v4 111.117.48.0/20 unknown
v4 111.117.64.0/20 unknown
v4 111.117.80.0/20 unknown
v4 111.117.96.0/20 unknown
v4 111.186.0.0/15 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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