% 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 '202.38.164.0 - 202.38.167.255'

% Abuse contact for '202.38.164.0 - 202.38.167.255' is 'chengyu15@chinaunicom.cn'

inetnum:        202.38.164.0 - 202.38.167.255
netname:        CUCLJB-CN
descr:          China Unicom Co Ltd Jilin Branch
country:        CN
org:            ORG-CUCL2-AP
admin-c:        CUCL1-AP
tech-c:         CUCL1-AP
abuse-c:        AC2839-AP
status:         ASSIGNED PORTABLE
remarks:        --------------------------------------------------------
remarks:        To report network abuse, please contact mnt-irt
remarks:        For troubleshooting, please contact tech-c and admin-c
remarks:        Report invalid contact via www.apnic.net/invalidcontact
remarks:        --------------------------------------------------------
mnt-by:         APNIC-HM
mnt-routes:     MAINT-CUCLJB-CN
mnt-irt:        IRT-CUCLJB-CN
last-modified:  2024-11-26T03:53:38Z
source:         APNIC

irt:            IRT-CUCLJB-CN
address:        No. 3535 Jiefang Road, Changchun Jilin 130021
e-mail:         chengyu15@chinaunicom.cn
abuse-mailbox:  chengyu15@chinaunicom.cn
admin-c:        CUCL1-AP
tech-c:         CUCL1-AP
auth:           # Filtered
remarks:        chengyu15@chinaunicom.cn was validated on 2026-04-15
mnt-by:         MAINT-CUCLJB-CN
last-modified:  2026-04-15T00:33:28Z
source:         APNIC

organisation:   ORG-CUCL2-AP
org-name:       China Unicom Co Ltd Jilin Branch
org-type:       LIR
country:        CN
address:        No. 3535 Jiefang Road
phone:          +86-431-85649366
e-mail:         suibd1@chinaunicom.cn
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2024-10-03T13:12:07Z
source:         APNIC

role:           ABUSE CUCLJBCN
country:        ZZ
address:        No. 3535 Jiefang Road, Changchun Jilin 130021
phone:          +000000000
e-mail:         chengyu15@chinaunicom.cn
admin-c:        CUCL1-AP
tech-c:         CUCL1-AP
nic-hdl:        AC2839-AP
remarks:        Generated from irt object IRT-CUCLJB-CN
remarks:        chengyu15@chinaunicom.cn was validated on 2026-04-15
abuse-mailbox:  chengyu15@chinaunicom.cn
mnt-by:         APNIC-ABUSE
last-modified:  2026-04-15T00:33:42Z
source:         APNIC

role:           China Unicom Co Ltd Jilin Branch administrator
address:        No. 3535 Jiefang Road, Changchun Jilin 130021
country:        CN
phone:          +86-431-85649366
e-mail:         chengyu15@chinaunicom.cn
admin-c:        CUCL1-AP
tech-c:         CUCL1-AP
nic-hdl:        CUCL1-AP
mnt-by:         MAINT-CUCLJB-CN
last-modified:  2024-11-04T02:30:57Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU4)