% APNIC found the following authoritative answer from: whois.apnic.net

% [whois.apnic.net]
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% Information related to '106.74.0.0 - 106.74.255.255'

% Abuse contact for '106.74.0.0 - 106.74.255.255' is 'xingxin2@chinaunicom.cn'

inetnum:        106.74.0.0 - 106.74.255.255
netname:        CU-CDC
descr:          CHINA UNICOM CLOUD DATA COMPANY LIMITED
descr:          A133, Xidan North Avenue, Xicheng District, Beijing.
country:        CN
admin-c:        ZM909-AP
tech-c:         ZM909-AP
abuse-c:        AC1601-AP
status:         ALLOCATED PORTABLE
mnt-by:         MAINT-CNNIC-AP
mnt-irt:        IRT-CU-CDC-CN
mnt-lower:      MAINT-CNNIC-AP
mnt-routes:     MAINT-CNNIC-AP
last-modified:  2023-11-28T00:56:50Z
source:         APNIC

irt:            IRT-CU-CDC-CN
address:        A133,Xidan North Avenue, Xicheng District, Beijing
e-mail:         xingxin2@chinaunicom.cn
abuse-mailbox:  xingxin2@chinaunicom.cn
admin-c:        ZM909-AP
tech-c:         ZM909-AP
auth:           # Filtered
mnt-by:         MAINT-CNNIC-AP
last-modified:  2025-11-18T00:35:11Z
source:         APNIC

role:           ABUSE CNNICCN
country:        ZZ
address:        Beijing, China
phone:          +000000000
e-mail:         ipas@cnnic.cn
admin-c:        IP50-AP
tech-c:         IP50-AP
nic-hdl:        AC1601-AP
remarks:        Generated from irt object IRT-CNNIC-CN
remarks:        ipas@cnnic.cn is invalid
abuse-mailbox:  ipas@cnnic.cn
mnt-by:         APNIC-ABUSE
last-modified:  2025-09-19T17:20:32Z
source:         APNIC

person:         Xin Xing
address:        A133,Xidan North Avenue, Xicheng District, Beijing
country:        CN
phone:          +86-18618215599
e-mail:         xingxin2@chinaunicom.cn
nic-hdl:        ZM909-AP
mnt-by:         MAINT-CNNIC-AP
last-modified:  2013-10-12T09:06:01Z
source:         APNIC

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