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

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to '112.64.227.24 - 112.64.227.31'

% Abuse contact for '112.64.227.24 - 112.64.227.31' is 'zhaoyz3@chinaunicom.cn'

inetnum:        112.64.227.24 - 112.64.227.31
netname:        guojinzheng
descr:          Shanghai DIA Dedicated Internet Access
country:        cn
admin-c:        YR194-AP
tech-c:         YR194-AP
abuse-c:        AC1718-AP
status:         ASSIGNED NON-PORTABLE
mnt-by:         MAINT-CNCGROUP-SH
mnt-irt:        IRT-CU-CN
last-modified:  2023-10-21T03:37:05Z
source:         APNIC

irt:            IRT-CU-CN
address:        No.21,Financial Street
address:        Beijing,100033
address:        P.R.China
e-mail:         zhaoyz3@chinaunicom.cn
abuse-mailbox:  zhaoyz3@chinaunicom.cn
admin-c:        CH1302-AP
tech-c:         CH1302-AP
auth:           # Filtered
remarks:        zhaoyz3@chinaunicom.cn was validated on 2023-11-22
mnt-by:         MAINT-CNCGROUP
last-modified:  2023-11-22T07:54:46Z
source:         APNIC

role:           ABUSE CUCN
address:        No.21,Financial Street
address:        Beijing,100033
address:        P.R.China
country:        ZZ
phone:          +000000000
e-mail:         zhaoyz3@chinaunicom.cn
admin-c:        CH1302-AP
tech-c:         CH1302-AP
nic-hdl:        AC1718-AP
remarks:        Generated from irt object IRT-CU-CN
remarks:        zhaoyz3@chinaunicom.cn was validated on 2023-11-22
abuse-mailbox:  zhaoyz3@chinaunicom.cn
mnt-by:         APNIC-ABUSE
last-modified:  2023-11-22T07:55:43Z
source:         APNIC

person:         yanling ruan
nic-hdl:        YR194-AP
e-mail:         sh-ipmaster@chinaunicom.cn
address:        No.900,Pudong Avenue,ShangHai,China
phone:          +086-021-61201616
fax-no:         +086-021-61201616
country:        cn
mnt-by:         MAINT-CNCGROUP-SH
last-modified:  2008-12-15T08:05:03Z
source:         APNIC

% Information related to '112.64.0.0/15AS17621'

route:          112.64.0.0/15
descr:          China Unicom CHINA169 Shanghai Province Network
descr:          Addresses from APNIC
country:        CN
origin:         AS17621
mnt-by:         MAINT-CNCGROUP-RR
last-modified:  2008-12-29T02:45:31Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.25 (WHOIS-AU3)

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