IP Address183.91.21.197WHOIS Serverwhois.apnic.net
Inet Nums
Start IP183.91.0.0End IP183.91.31.255CIDR183.91.0.0/19Net NameCMCTELECOM-VNDescriptionCMC Telecom Infrastructure Company, CMC Tower, Duy Tan, Cau Giay, Hanoi, VietnamCountriesVNStatusALLOCATED PORTABLERemarkssend spam and abuse report to inoc@cmctelecom.vnMNT ByMAINT-VN-VNNICMNT LowerMAINT-VN-VNNICMNT RoutesMAINT-VN-VNNICMNT IRTIRT-VNNIC-APDate Updated2023-08-31SourceAPNIC
Incident Response Team (IRT)
HandleIRT-VNNIC-APAddressHa Noi, VietNamEmailhm-changed@vnnic.vnAbuse Mailboxhm-changed@vnnic.vnPhone+84-24-35564944Fax No+84-24-37821462Admin ContactsNTTT1-APTech ContactsNTTT1-APMNT ByMAINT-VN-VNNICDate Updated2025-11-17SourceAPNIC
Administrative Contacts
HandleHVA2-APNameHoang Viet AnhAddressCMCTELECOM-VNCountryVNEmailanh.hv@cmctelecom.vnPhone+84-366235766MNT ByMAINT-VN-VNNICDate Updated2023-08-31SourceAPNIC
Technical Contacts
HandleNVH31-APNameNguyen Van HieuAddressCMCTELECOM-VNCountryVNEmailhieu.nv@cmctelecom.vnPhone+84-968189689MNT ByMAINT-VN-VNNICDate Updated2022-08-28SourceAPNIC
Routes
Route183.91.21.0/24OriginAS45903DescriptionCMCTELECOM-VNMNT ByMAINT-VN-VNNICDate Updated2022-09-16SourceAPNIC