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

% [whois.apnic.net]
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% Information related to '61.161.72.0 - 61.161.72.255'

% Abuse contact for '61.161.72.0 - 61.161.72.255' is 'ipmanager.cq@chinatelecom.cn'

inetnum:        61.161.72.0 - 61.161.72.255
netname:        china-telenet
descr:          yongchuan
country:        CN
admin-c:        ZL235-AP
tech-c:         ZL235-AP
abuse-c:        AC2530-AP
status:         ALLOCATED NON-PORTABLE
mnt-by:         MAINT-CHINANET-CQ
mnt-irt:        IRT-CHINANET-CQ
last-modified:  2022-01-12T13:22:00Z
source:         APNIC

irt:            IRT-CHINANET-CQ
address:        3 DaPing Zheng Street ChongQing
e-mail:         ipmanager.cq@chinatelecom.cn
abuse-mailbox:  ipmanager.cq@chinatelecom.cn
admin-c:        CH93-AP
tech-c:         CQ235-AP
auth:           # Filtered
remarks:        ipmanager.cq@chinatelecom.cn was validated on 2025-11-21
mnt-by:         MAINT-CHINANET-CQ
last-modified:  2025-11-21T08:20:29Z
source:         APNIC

role:           ABUSE CHINANETCQ
country:        ZZ
address:        3 DaPing Zheng Street ChongQing
phone:          +000000000
e-mail:         ipmanager.cq@chinatelecom.cn
admin-c:        CH93-AP
tech-c:         CQ235-AP
nic-hdl:        AC2530-AP
remarks:        Generated from irt object IRT-CHINANET-CQ
remarks:        ipmanager.cq@chinatelecom.cn was validated on 2025-11-21
abuse-mailbox:  ipmanager.cq@chinatelecom.cn
mnt-by:         APNIC-ABUSE
last-modified:  2025-11-21T08:20:49Z
source:         APNIC

person:         Zhengmei Li
address:        The mainstreet 3 daping ,chongqing data communication bureau
country:        CN
phone:          +86-23-68604278
fax-no:         +86-23-68692254
e-mail:         tangyan1.cq@chinatelecom.cn
nic-hdl:        ZL235-AP
mnt-by:         MAINT-CHINANET-CQ
last-modified:  2020-11-25T07:43:04Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-AU4)