% 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 '103.45.144.0 - 103.45.147.255'

% Abuse contact for '103.45.144.0 - 103.45.147.255' is 'china-bits-network@paypal.com'

inetnum:        103.45.144.0 - 103.45.147.255
netname:        JZKJ-NET
descr:          Juzhi technology co., ltd
descr:          2210, Building G, Wuhan Siting Room, Jiangjun Road, Wuhan, Hubei
admin-c:        YW7272-AP
tech-c:         JS4518-AP
country:        CN
mnt-by:         MAINT-CNNIC-AP
mnt-lower:      MAINT-CNNIC-AP
mnt-routes:     MAINT-CNNIC-AP
mnt-irt:        IRT-JZKJ-NET-CN
status:         ALLOCATED PORTABLE
last-modified:  2025-08-08T02:06:30Z
source:         APNIC

irt:            IRT-JZKJ-NET-CN
address:        2210, Building G, Wuhan Siting Room, Jiangjun Road, Wuhan, Hubei
e-mail:         china-bits-network@paypal.com
admin-c:        YW7272-AP
tech-c:         JS4518-AP
abuse-mailbox:  china-bits-network@paypal.com
remarks:        china-bits-network@paypal.com was validated on 2025-07-30
auth:           # Filtered
mnt-by:         MAINT-CNNIC-AP
last-modified:  2025-11-18T00:36:39Z
source:         APNIC

person:         Meng Chu
address:        2210, Building G, Wuhan Siting Room, Jiangjun Road, Wuhan, Hubei
country:        CN
phone:          +86-010-18972177898
e-mail:         cm@jzid.net
nic-hdl:        JS4518-AP
mnt-by:         MAINT-CNNIC-AP
last-modified:  2023-01-05T05:43:26Z
source:         APNIC

person:         Wenjun Zhang
address:        2210, Building G, Wuhan Siting Room, Jiangjun Road, Wuhan, Hubei
country:        CN
phone:          +86-010-18907197027
e-mail:         zwj@jzid.net
nic-hdl:        YW7272-AP
mnt-by:         MAINT-CNNIC-AP
last-modified:  2023-01-05T05:43:26Z
source:         APNIC

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