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AS4538 China Education and Research Network Center

AS4538

China Education and Research Network Center

China Education and Research Network Center operates AS4538: 470 IPv4 prefixes covering 16,287,744 addresses, most of them in China.

By IPv4 addresses the network ranks #25 worldwide and #4 of 587 networks in China. That is 4.6% of the country’s IPv4 space.

The network spreads across 3 countries: China 100%, Hong Kong 0.36%, Singapore 0.00%.

The largest block is 210.31.0.0 to 210.47.255.255 with 1,114,112 addresses, geolocated to Haidian (Haidian Qu).

IPv4 addresses
16,287,744
IPv4 prefixes
470
World rank
#25
Country share
4.6%
IPv6 ranges
172

Addresses by country

Largest blocks

Networks of similar size

IPv4 prefixes

and 170 more prefixes

Questions and answers

Who owns AS4538?

Autonomous system AS4538 is operated by China Education and Research Network Center.

How many IP addresses does AS4538 have?

The network holds 16,287,744 IPv4 addresses in 470 prefixes, plus 172 IPv6 ranges.

Which country is AS4538 in?

The main country is China, with addresses in 2 more countries.

How big is AS4538?

By IPv4 addresses it ranks #25 worldwide.

What is the largest address block of AS4538?

210.31.0.0 to 210.47.255.255, 1,114,112 addresses.