IP Address121.91.91.192WHOIS Serverwhois.apnic.net
Inet Nums
Start IP121.91.88.0End IP121.91.95.255CIDR121.91.88.0/21Net NameUNICOM-HKDescriptionChina Unicom (Hong Kong) Operations LimitedCountriesHKStatusALLOCATED PORTABLEOrganizationORG-CUKO1-APRemarks--------------------------------------------------------, To report network abuse, please contact mnt-irt, For troubleshooting, please contact tech-c and admin-c, Report invalid contact via www.apnic.net/invalidcontact, --------------------------------------------------------MNT ByAPNIC-HMMNT LowerMAINT-HK-UNICOMMNT RoutesMAINT-HK-UNICOMMNT IRTIRT-UNICOM-HKDate Updated2023-05-02SourceAPNIC
Incident Response Team (IRT)
HandleIRT-UNICOM-HKAddress28/F, Tower 1, The gateway, 25 Canton road, TST, Hong KongCountryHONG KONGEmailwongnicholas@chinaunicom.cnAbuse Mailboxhk-abuse@chinaunicom.cnAdmin ContactsNW165-APTech ContactsNW165-APRemarkswongnicholas@chinaunicom.cn, hk-abuse@chinaunicom.cn was validated on 2025-09-04, wongnicholas@chinaunicom.cn was validated on 2026-02-04MNT ByMAINT-HK-UNICOMDate Updated2026-02-04SourceAPNIC
Organization
HandleORG-CUKO1-APNameChina Unicom (Hong Kong) Operations LimitedTypeLIRAddress28F, Tower 1, The gateway, 25 Canton Road, Tsim Sha TsuiCountryHKEmailwongnicholas@chinaunicom.cnPhone+852-26268766Fax No+852-26268844MNT ByAPNIC-HMMNT RefAPNIC-HMDate Updated2023-09-05SourceAPNIC
Administrative Contacts
HandleNW165-APNameNicholas WongAddress28/F, Tower 1, The gateway, 25 Canton road, TST, Hong KongCountryHKEmailwongnicholas@chinaunicom.cnPhone+852 26268881Notifywongnicholas@chinaunicom.cnMNT ByMAINT-HK-UNICOMDate Updated2018-03-09SourceAPNIC
Technical Contacts
HandleNW165-APNameNicholas WongAddress28/F, Tower 1, The gateway, 25 Canton road, TST, Hong KongCountryHKEmailwongnicholas@chinaunicom.cnPhone+852 26268881Notifywongnicholas@chinaunicom.cnMNT ByMAINT-HK-UNICOMDate Updated2018-03-09SourceAPNIC
Abuse Contacts
HandleAU99-APNameABUSE UNICOMHKAddress28/F, Tower 1, The gateway, 25 Canton road, TST, Hong KongCountryZZEmailwongnicholas@chinaunicom.cnAbuse Mailboxhk-abuse@chinaunicom.cnPhone+000000000Admin ContactsNW165-APTech ContactsNW165-APRemarksGenerated from irt object IRT-UNICOM-HK, hk-abuse@chinaunicom.cn was validated on 2025-09-04, wongnicholas@chinaunicom.cn was validated on 2026-02-04MNT ByAPNIC-ABUSEDate Updated2026-02-04SourceAPNIC