% 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 'AS17408 - AS17651'

as-block:       AS17408 - AS17651
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2019-01-08T23:22:27Z
source:         APNIC

role:           APNIC Hostmaster
address:        6 Cordelia Street
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC

% Information related to 'AS17428 - AS17432'

as-block:       AS17428 - AS17432
descr:          China Internet Network Information Center
country:        CN
remarks:        These AS numbers are further assigned by
remarks:        CNNIC to CNNIC members and end-users
remarks:        in the CNNIC region
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CNNIC-AP
last-modified:  2017-06-22T03:06:52Z
source:         APNIC

role:           APNIC Hostmaster
address:        6 Cordelia Street
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC

% Information related to 'AS17430'

% Abuse contact for 'AS17430' is 'abuse@gwbn.net.cn'

aut-num:        AS17430
as-name:        GWBN
descr:          5F Greatwall Bldg., A38 Xueyuan Road Haidian District,Beijing
admin-c:        JM97-AP
tech-c:         JM97-AP
abuse-c:        AC1601-AP
country:        CN
mnt-by:         MAINT-CNNIC-AP
mnt-lower:      MAINT-CNNIC-AP
mnt-routes:     MAINT-CNNIC-AP
mnt-irt:        IRT-GWBN-CN
last-modified:  2021-11-03T09:11:13Z
source:         APNIC

irt:            IRT-GWBN-CN
address:        5F Greatwall Bldg., A38 Xueyuan Road
address:        Haidian District,Beijing
e-mail:         abuse@gwbn.net.cn
abuse-mailbox:  abuse@gwbn.net.cn
admin-c:        JM97-AP
tech-c:         JM97-AP
auth:           # Filtered
mnt-by:         MAINT-CN-CNNIC-GWBN
last-modified:  2025-11-18T00:26:59Z
source:         APNIC

role:           ABUSE CNNICCN
country:        ZZ
address:        Beijing, China
phone:          +000000000
e-mail:         ipas@cnnic.cn
admin-c:        IP50-AP
tech-c:         IP50-AP
nic-hdl:        AC1601-AP
remarks:        Generated from irt object IRT-CNNIC-CN
remarks:        ipas@cnnic.cn is invalid
abuse-mailbox:  ipas@cnnic.cn
mnt-by:         APNIC-ABUSE
last-modified:  2025-09-19T17:20:32Z
source:         APNIC

person:         Jian Meng
nic-hdl:        JM97-AP
e-mail:         mengjian@gwbn.net.cn
address:        2nd Floor, Building A
address:        #9 Donghuan Plaza, Dong Zhong Street
address:        East District, Beijing, China (100027)
phone:          +86-10-6418-5885
fax-no:         +86-10-64182174
country:        CN
mnt-by:         MAINT-CNNIC-AP
last-modified:  2008-09-04T07:30:02Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU4)