% 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 '42.128.0.0 - 42.143.255.255'

% Abuse contact for '42.128.0.0 - 42.143.255.255' is 'liuxin15@cmtt.chinamobile.com'

inetnum:        42.128.0.0 - 42.143.255.255
netname:        NorthStar
descr:          North Star Information Hi.tech Ltd. Co.
descr:          No.18, Beifengwo Road, Haidian District,
descr:          Beijing, China, 100038
country:        CN
org:            ORG-NSIH1-AP
admin-c:        CW1171-AP
tech-c:         LQ568-AP
abuse-c:        AN833-AP
status:         ALLOCATED PORTABLE
remarks:        --------------------------------------------------------
remarks:        To report network abuse, please contact mnt-irt
remarks:        For troubleshooting, please contact tech-c and admin-c
remarks:        Report invalid contact via www.apnic.net/invalidcontact
remarks:        --------------------------------------------------------
mnt-by:         APNIC-HM
mnt-lower:      MAINT-NORTHSTAR-APNIC
mnt-routes:     MAINT-NORTHSTAR-APNIC
mnt-irt:        IRT-NORTHSTAR-CN
last-modified:  2020-07-07T04:54:06Z
source:         APNIC

irt:            IRT-NORTHSTAR-CN
address:        No.18, Beifengwo Road, Haidian District,
address:        Beijing, China
e-mail:         liuxin15@cmtt.chinamobile.com
abuse-mailbox:  liuxin15@cmtt.chinamobile.com
admin-c:        CW1171-AP
tech-c:         LQ568-AP
auth:           # Filtered
remarks:        liuxin15@cmtt.chinamobile.com
remarks:        liuxin15@cmtt.chinamobile.com
remarks:        liuxin15@cmtt.chinamobile.com was validated on 2025-06-30
mnt-by:         MAINT-NORTHSTAR-APNIC
last-modified:  2025-11-18T00:26:44Z
source:         APNIC

organisation:   ORG-NSIH1-AP
org-name:       North Star Information Hi.tech Ltd. Co.
org-type:       LIR
country:        CN
address:        No.18, Beifengwo Road, Haidian District,
phone:          +86-13910572340
fax-no:         +86-13910572340
e-mail:         liuxin15@cmtt.chinamobile.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:15:30Z
source:         APNIC

role:           ABUSE NORTHSTARCN
country:        ZZ
address:        No.18, Beifengwo Road, Haidian District,
address:        Beijing, China
phone:          +000000000
e-mail:         liuxin15@cmtt.chinamobile.com
admin-c:        CW1171-AP
tech-c:         LQ568-AP
nic-hdl:        AN833-AP
remarks:        Generated from irt object IRT-NORTHSTAR-CN
remarks:        liuxin15@cmtt.chinamobile.com was validated on 2025-06-30
abuse-mailbox:  liuxin15@cmtt.chinamobile.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-06-30T01:35:54Z
source:         APNIC

person:         Cindy Wang
address:        No.18, Beifengwo Road, Haidian District,
address:        Beijing, China
country:        CN
phone:          +86-10-51892147
fax-no:         +86-10-51890674
e-mail:         cindywang.ns@gmail.com
nic-hdl:        CW1171-AP
mnt-by:         MAINT-NORTHSTAR-APNIC
last-modified:  2009-02-10T07:32:20Z
source:         APNIC

person:         Lu Qian
address:        No.18, Beifengwo Road, Haidian District,
address:        Beijing, China
country:        CN
phone:          +86-10-51890418
fax-no:         +86-10-51890674
e-mail:         wpli@chinatietong.com
nic-hdl:        LQ568-AP
mnt-by:         MAINT-NORTHSTAR-APNIC
last-modified:  2015-10-22T01:18:00Z
source:         APNIC

% Information related to '42.128.0.0/12AS9394'

route:          42.128.0.0/12
descr:          North Star Information Hi.tech Ltd. Co.
origin:         AS9394
country:        CN
notify:         luqian.ns@gmail.com
mnt-by:         MAINT-NORTHSTAR-APNIC
last-modified:  2013-06-12T15:22:05Z
source:         APNIC

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