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 116.13.88.0/22 unknown
v4 116.13.92.0/23 unknown
v4 116.13.94.0/23 unknown
v4 116.13.96.0/20 unknown
v4 116.56.0.0/15 unknown
v4 116.56.0.0/18 unknown
v4 116.56.128.0/19 unknown
v4 116.56.160.0/23 unknown
v4 116.56.162.0/24 valid
v4 116.56.163.0/24 valid
v4 116.56.164.0/24 valid
v4 116.56.165.0/24 valid
v4 116.56.166.0/23 unknown
v4 116.56.168.0/23 unknown
v4 116.56.170.0/23 unknown
v4 116.56.172.0/23 unknown
v4 116.56.174.0/24 valid
v4 116.56.176.0/24 valid
v4 116.56.184.0/21 unknown
v4 116.56.192.0/24 valid
v4 116.56.224.0/19 unknown
v4 116.56.64.0/22 unknown
v4 116.56.68.0/24 valid
v4 116.56.69.0/24 valid
v4 116.56.70.0/23 unknown
v4 116.56.72.0/23 unknown
v4 116.56.74.0/23 unknown
v4 116.56.80.0/24 valid
v4 116.56.81.0/24 valid
v4 116.56.82.0/23 unknown
v4 116.56.84.0/23 unknown
v4 116.56.86.0/23 unknown
v4 116.56.88.0/22 unknown
v4 116.56.92.0/23 unknown
v4 116.56.94.0/23 unknown
v4 116.56.96.0/19 unknown
v4 116.57.0.0/20 unknown
v4 116.57.128.0/19 unknown
v4 116.57.16.0/21 unknown
v4 116.57.176.0/22 unknown
v4 116.57.182.0/24 valid
v4 116.57.184.0/22 unknown
v4 116.57.184.0/24 valid
v4 116.57.188.0/22 unknown
v4 116.57.192.0/22 unknown
v4 116.57.196.0/23 unknown
v4 116.57.198.0/23 unknown
v4 116.57.200.0/22 unknown
v4 116.57.204.0/23 unknown
v4 116.57.206.0/24 valid

RPKI: rpki.cloudflare.com · 2026-06-21

— 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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