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

% [whois.apnic.net]
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% Information related to '183.205.0.0 - 183.205.255.255'

% Abuse contact for '183.205.0.0 - 183.205.255.255' is 'abuse@chinamobile.com'

inetnum:        183.205.0.0 - 183.205.255.255
netname:        CMNET-henan
descr:          China Mobile Communications Corporation - henan
country:        CN
admin-c:        YD122-AP
tech-c:         YD122-AP
abuse-c:        AC1895-AP
status:         ALLOCATED NON-PORTABLE
mnt-by:         MAINT-CN-CMCC-HENAN
mnt-irt:        IRT-CHINAMOBILE2-CN
last-modified:  2021-01-20T01:08:33Z
source:         APNIC

irt:            IRT-CHINAMOBILE2-CN
address:        China Mobile Communications Corporation
address:        29, Jinrong Ave., Xicheng District, Beijing, 100032
e-mail:         abuse@chinamobile.com
abuse-mailbox:  abuse@chinamobile.com
admin-c:        ct74-AP
tech-c:         CT74-AP
auth:           # Filtered
remarks:        abuse@chinamobile.com was validated on 2025-09-15
mnt-by:         MAINT-CN-CMCC
last-modified:  2025-11-18T00:26:27Z
source:         APNIC

role:           ABUSE CHINAMOBILE2CN
country:        ZZ
address:        China Mobile Communications Corporation
address:        29, Jinrong Ave., Xicheng District, Beijing, 100032
phone:          +000000000
e-mail:         abuse@chinamobile.com
admin-c:        ct74-AP
tech-c:         CT74-AP
nic-hdl:        AC1895-AP
remarks:        Generated from irt object IRT-CHINAMOBILE2-CN
remarks:        abuse@chinamobile.com was validated on 2025-09-15
abuse-mailbox:  abuse@chinamobile.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-09-15T02:20:14Z
source:         APNIC

person:         yan deng
nic-hdl:        YD122-AP
e-mail:         dengyan@ha.chinamobile.com
address:        No.10  Minhang Road, Zhengzhou,China
phone:          +86-13938871221
fax-no:         +86-0371--5939333
country:        cn
mnt-by:         MAINT-CN-CMCC-HENAN
last-modified:  2008-09-04T07:29:23Z
source:         APNIC

% Information related to '183.192.0.0/11AS9808'

route:          183.192.0.0/11
descr:          China Mobile communications corporation
origin:         AS9808
mnt-by:         MAINT-CN-CMCC
last-modified:  2010-12-08T08:06:16Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.36-SNAPSHOT (WHOIS-AU5)