% 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 '115.231.170.0 - 115.231.170.255'

% Abuse contact for '115.231.170.0 - 115.231.170.255' is 'antispam_zjnoc@163.com'

inetnum:        115.231.170.0 - 115.231.170.255
netname:        XINSIXIAN-KEJI
descr:          Beijing Xinsixian Keji Co.,Ltd
descr:
country:        CN
admin-c:        LZ3183-AP
tech-c:         CJ55-AP
abuse-c:        AC1602-AP
status:         ASSIGNED NON-PORTABLE
mnt-by:         MAINT-CN-CHINANET-ZJ-JX
mnt-irt:        IRT-CHINANET-ZJ
last-modified:  2021-06-24T07:47:35Z
source:         APNIC

irt:            IRT-CHINANET-ZJ
address:        Hangzhou, 288 fucun Road, China
e-mail:         antispam_zjnoc@163.com
abuse-mailbox:  antispam_zjnoc@163.com
admin-c:        CZ61-AP
tech-c:         CZ61-AP
auth:           # Filtered
remarks:        antispam_zjnoc@163.com was validated on 2025-11-25
mnt-by:         MAINT-CHINANET-ZJ
last-modified:  2025-11-25T01:15:23Z
source:         APNIC

role:           ABUSE CHINANETZJ
country:        ZZ
address:        Hangzhou, 288 fucun Road, China
phone:          +000000000
e-mail:         antispam_zjnoc@163.com
admin-c:        CZ61-AP
tech-c:         CZ61-AP
nic-hdl:        AC1602-AP
remarks:        Generated from irt object IRT-CHINANET-ZJ
remarks:        antispam_zjnoc@163.com was validated on 2025-11-25
abuse-mailbox:  antispam_zjnoc@163.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-11-25T01:16:42Z
source:         APNIC

role:           CHINANET-ZJ Jiaxing
address:        No.101 Zhongshan Road,Jiaxing,Zhejiang.314001
country:        CN
phone:          +86-573-2050040
fax-no:         +86-573-2079999
e-mail:         antispam_jx@zjnoc.hz.zj.cn
remarks:        send spam reports to anti-spam@mail.jxptt.zj.cn
remarks:        and abuse reports to anti-spam@mail.jxptt.zj.cn
remarks:        Please include detailed information and times in UTC
admin-c:        CH100-AP
tech-c:         CH100-AP
nic-hdl:        CJ55-AP
mnt-by:         MAINT-CHINANET-ZJ
last-modified:  2019-08-09T07:47:10Z
source:         APNIC

person:         Li Zhi
nic-hdl:        LZ3183-AP
e-mail:         anti-spam@mail.jxptt.zj.cn
address:        Jiaxing,Zhejiang.Postcode:314000
phone:          +86-18910760979
country:        CN
mnt-by:         MAINT-CN-CHINANET-ZJ-JX
last-modified:  2014-06-27T16:20:06Z
source:         APNIC

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