% 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 'AS136506 - AS137529'

as-block:       AS136506 - AS137529
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:  2016-05-26T03:42:38Z
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 'AS137451'

% Abuse contact for 'AS137451' is 'abuse@hknetbroadband.com'

aut-num:        AS137451
as-name:        TELECOM-AS-AP
descr:          Hong Kong Business Telecom Limited
country:        HK
org:            ORG-HKBT1-AP
admin-c:        HKBT1-AP
tech-c:         HKBT1-AP
abuse-c:        AT1218-AP
mnt-lower:      MAINT-TELECOM-HK
mnt-routes:     MAINT-TELECOM-HK
mnt-by:         APNIC-HM
mnt-irt:        IRT-TELECOM-HK
last-modified:  2023-03-15T00:19:50Z
source:         APNIC

irt:            IRT-TELECOM-HK
address:        HONGKONG
e-mail:         abuse@hknetbroadband.com
abuse-mailbox:  abuse@hknetbroadband.com
admin-c:        NA881-AP
tech-c:         NA881-AP
auth:           # Filtered
remarks:        abuse@hknetbroadband.com is invalid
mnt-by:         MAINT-TELECOM-HK
last-modified:  2026-07-08T13:13:00Z
source:         APNIC

organisation:   ORG-HKBT1-AP
org-name:       Hong Kong Business Telecom Limited
org-type:       LIR
country:        HK
address:        RMD,SUITE C1,6/F WING HING INDUSTRIAL BUILDING
address:        14 HING YIP STREET
phone:          +85230123106
e-mail:         abuse@hknetbroadband.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:16:04Z
source:         APNIC

role:           ABUSE TELECOMHK
country:        ZZ
address:        HONGKONG
phone:          +000000000
e-mail:         abuse@hknetbroadband.com
admin-c:        NA881-AP
tech-c:         NA881-AP
nic-hdl:        AT1218-AP
remarks:        Generated from irt object IRT-TELECOM-HK
remarks:        abuse@hknetbroadband.com is invalid
abuse-mailbox:  abuse@hknetbroadband.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-07-08T13:15:40Z
source:         APNIC

role:           HONG KONG BUSINESS TELECOM LIMITED - network admin
address:        HONGKONG
country:        HK
phone:          +85265278920
e-mail:         abuse@hknetbroadband.com
admin-c:        HKBT1-AP
tech-c:         HKBT1-AP
nic-hdl:        HKBT1-AP
mnt-by:         MAINT-TELECOM-HK
last-modified:  2026-05-07T09:06:52Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)