AS4538 is an AS number assigned to China Education and Research Network Center. Country or region: China.

OrganizationChina Education and Research Network Center
Registered nameERX-CERNET-BKB
CountryChina (CN)
IPv4 addresses17,117,440
IPv4 ranges88
IPv6 ranges465
RegistrationLook up the holder and the abuse contact in IP Lookup

AS numbers: China

IPv4 address ranges (largest 20)

Range (CIDR)AddressesCheck
58.192.0.0/12 1,048,576 Check if your IP is in this range
59.64.0.0/12 1,048,576 Check if your IP is in this range
202.192.0.0/12 1,048,576 Check if your IP is in this range
210.32.0.0/12 1,048,576 Check if your IP is in this range
222.16.0.0/12 1,048,576 Check if your IP is in this range
222.192.0.0/12 1,048,576 Check if your IP is in this range
125.216.0.0/13 524,288 Check if your IP is in this range
202.112.0.0/13 524,288 Check if your IP is in this range
211.64.0.0/13 524,288 Check if your IP is in this range
211.80.0.0/13 524,288 Check if your IP is in this range
218.192.0.0/13 524,288 Check if your IP is in this range
219.216.0.0/13 524,288 Check if your IP is in this range
219.224.0.0/13 524,288 Check if your IP is in this range
49.52.0.0/14 262,144 Check if your IP is in this range
49.120.0.0/14 262,144 Check if your IP is in this range
101.4.0.0/14 262,144 Check if your IP is in this range
115.24.0.0/14 262,144 Check if your IP is in this range
121.192.0.0/14 262,144 Check if your IP is in this range
121.248.0.0/14 262,144 Check if your IP is in this range
122.204.0.0/14 262,144 Check if your IP is in this range

AS numbers of a similar size

About the data

Compiled by this site from publicly available internet registry assignment information and IP address range data. The data date is the build date of the data when the content of this page last changed. Adjacent ranges are merged and expressed as CIDR blocks, so they may differ from the routes actually announced.

This product includes GeoLite2 data created by MaxMind, available from https://www.maxmind.com.