AS4538 - China Education and Research Network Center
Detailed information about the Autonomous System AS4538:
| API Url | https://api.ipapi.is/?q=AS4538 |
| Status | Active |
| Organization | China Education and Research Network Center |
| Description | ERX-CERNET-BKB China Education and Research Network Center, CN |
| Website | cernet.edu.cn |
| Type | education |
| Abuse E-Mail | abuse@cernet.edu.cn |
| Whois | https://api.ipapi.is/?whois=AS4538 |
| Created | - |
| Updated | 2025-10-31 |
| Country | CN |
IPv4 Prefixes
Currently, there are 5031 IPv4 prefixes for AS4538 - China Education and Research Network Center in the database. This amounts to 41,261,568 IPv4 addresses that are hosted on this ASN. The following list shows the first 25 IPv4 prefixes of the ASN. To obtain all prefixes, please purchase the full database
1.51.0.0/16
1.51.3.0/24
1.51.16.0/20
1.51.32.0/20
1.51.48.0/21
1.51.112.0/24
1.51.120.0/21
1.51.144.0/20
1.51.144.0/21
1.51.152.0/21
1.51.160.0/21
1.51.168.0/21
1.51.176.0/20
1.51.192.0/18
1.184.0.0/15
1.184.192.0/18
1.185.0.0/18
1.185.64.0/19
1.185.192.0/18
42.244.0.0/16
42.244.0.0/18
42.244.64.0/20
42.245.0.0/16
42.246.0.0/15
42.247.0.0/19IPv6 Prefixes
Currently, there are 916 IPv6 prefixes for AS4538 - China Education and Research Network Center in the database. This amounts to 6,241,144,825,754,782,000,000,000,000,000 IPv6 addresses that are hosted on this ASN. The following list shows the first 25 IPv6 prefixes of the ASN. To obtain all prefixes, please purchase the full database
2001:250:2::/48
2001:250:205::/48
2001:250:206::/48
2001:250:207::/48
2001:250:208::/48
2001:250:209::/48
2001:250:20a::/48
2001:250:20b::/48
2001:250:20c::/48
2001:250:20f::/48
2001:250:210::/48
2001:250:212::/48
2001:250:214::/48
2001:250:215::/48
2001:250:218::/48
2001:250:219::/48
2001:250:21b::/48
2001:250:21e::/48
2001:250:21f::/48
2001:250:223::/48
2001:250:228::/48
2001:250:22b::/48
2001:250:22d::/48
2001:250:22e::/48
2001:250:230::/48Raw WHOIS Record - AS4538 - China Education and Research Network Center