IP Address202.199.117.100WHOIS Serverwhois.apnic.net
Inet Nums
Start IP202.192.0.0End IP202.199.255.255CIDR202.192.0.0/13Net NameCERNET-CNDescriptionChina Education and Research Network, SY Region, China Education and Research Network Center, Tsinghua University, Beijing, 100084CountriesCNStatusALLOCATED PORTABLERemarksservice provider, hostmaster@apnic.net 960130MNT ByAPNIC-HMMNT LowerMAINT-CERNET-APMNT RoutesMAINT-CERNET-APMNT IRTIRT-CERNET-APDate Updated2021-10-30SourceAPNIC
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
HandleCER-APNameCERNET HelpdeskAddressCERNET Center, Beijing 100084, ChinaCountryCNEmailhelpdesk@cernet.edu.cnPhone+86-10-6278-4049Fax No+86-10-6278-5933Admin ContactsXL1-CNTech ContactsSZ2-APRemarksabuse@cernet.edu.cnMNT ByMAINT-CERNET-APDate Updated2020-09-03SourceAPNIC
Technical Contacts
HandleCER-APNameCERNET HelpdeskAddressCERNET Center, Beijing 100084, ChinaCountryCNEmailhelpdesk@cernet.edu.cnPhone+86-10-6278-4049Fax No+86-10-6278-5933Admin ContactsXL1-CNTech ContactsSZ2-APRemarksabuse@cernet.edu.cnMNT ByMAINT-CERNET-APDate Updated2020-09-03SourceAPNIC
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