IP Address211.71.161.133WHOIS Serverwhois.apnic.net
Inet Nums
Start IP211.70.0.0End IP211.71.255.255CIDR211.70.0.0/15Net NameCERNETDescriptionChina Education and Research Network, Room 224, Tsinghua University, Beijing, ChinaCountriesCNStatusALLOCATED PORTABLERemarksAPNIC Very Large member, confederationMNT ByAPNIC-HMMNT LowerMAINT-CERNET-APMNT RoutesMAINT-CERNET-APMNT IRTIRT-CERNET-APDate Updated2020-10-20SourceAPNIC
Incident Response Team (IRT)
HandleIRT-CERNET-APAddressNetwork Research Center,, Main Bldg, Tsinghua Univ, Beijing 100084, ChinaCountryCHINAEmailabuse@cernet.edu.cnAbuse Mailboxabuse@cernet.edu.cnPhone+86-10-62784301Fax No+86-10-62785933Admin ContactsCER-APTech ContactsCER-APRemarkstimezone GMT+8, http://www.ccert.edu.cn, abuse@cernet.edu.cn was validated on 2025-08-15MNT ByMAINT-CERNET-APDate Updated2025-11-18SourceAPNIC
Administrative Contacts
HandleJW1-CNNameJianping WuAddressChina Education and Research Network Center, Room 225, Main Building, Tsinghua University, Beijing 100084, CNCountryCNEmailjianping@cernet.edu.cnPhone+86-10-6278-5983Fax No+86-10-6278-5933MNT ByMAINT-CERNET-APDate Updated2011-12-22SourceAPNIC
Technical Contacts
HandleXL1-CNNameXing LiAddressChina Education and Research Network Center, Room 225, Main Building, Tsinghua University, Beijing 100084, CNCountryCNEmailxing@cernet.edu.cnPhone+86-10-6278-5983Fax No+86-10-6278-5933MNT ByMAINT-CERNET-APDate Updated2011-12-22SourceAPNIC
HandleLZ1-CNNameLing ZhangAddressNetwork Center, South China University of Technology, Guangzhou, Guangdong 510641, China, CNCountryCNEmailling@scut.edu.cnPhone+86-20-87110596Fax No+86-20-87110019Notifydbmon@apnic.netMNT ByMAINT-NULLDate Updated2011-12-22SourceAPNIC
Abuse Contacts
HandleAC1685-APNameABUSE CERNETAPAddressNetwork Research Center,, Main Bldg, Tsinghua Univ, Beijing 100084, ChinaCountryZZEmailabuse@cernet.edu.cnAbuse Mailboxabuse@cernet.edu.cnPhone+86-10-62784301Admin ContactsCER-APTech ContactsCER-APRemarksGenerated from irt object IRT-CERNET-AP, abuse@cernet.edu.cn was validated on 2025-08-15MNT ByAPNIC-ABUSEDate Updated2025-08-15SourceAPNIC
