% 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 '211.157.96.0 - 211.157.99.255'

% Abuse contact for '211.157.96.0 - 211.157.99.255' is 'liyan2561@sina.com'

inetnum:        211.157.96.0 - 211.157.99.255
netname:        CHNCOMMIDC
descr:          CHINA COMMUNICATIONS SYSTEM CO.,LTD. INTERNET SERVICES BRANCH
descr:          INTERNET COMMUNICATIONS
country:        CN
admin-c:        GJ121-AP
tech-c:         WY152-AP
status:         ASSIGNED NON-PORTABLE
mnt-by:         MAINT-CNNIC-AP
last-modified:  2008-09-04T06:51:48Z
source:         APNIC

person:         Guo Jinbo
nic-hdl:        GJ121-AP
e-mail:         liyan2561@sina.com
address:        NO.1 North Road of Workers Stadium
address:        Chaoyang District, Beijing, China
phone:          +86-10-64169966
fax-no:         +86-10-64163632
country:        CN
mnt-by:         MAINT-CNNIC-AP
last-modified:  2019-05-17T03:48:20Z
source:         APNIC

person:         Wang Yongqiang
nic-hdl:        WY152-AP
e-mail:         zhengwen@shinet.com.cn
address:        NO.1 North Road of Workers Stadium
address:        Chaoyang District, Beijing, China
phone:          +86-10-64163626
fax-no:         +86-10-64163632
country:        CN
mnt-by:         MAINT-CNNIC-AP
last-modified:  2019-05-17T03:48:41Z
source:         APNIC

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