% 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 '113.28.89.192 - 113.28.89.223'

% Abuse contact for '113.28.89.192 - 113.28.89.223' is 'noc@imsbiz.com'

inetnum:        113.28.89.192 - 113.28.89.223
netname:        BTCFSY-HK
descr:          BUDDHIST TO CHI FAT SHE YEUNG YL MEM SCH
country:        HK
admin-c:        BNA2-AP
tech-c:         TA66-AP
abuse-c:        AP706-AP
status:         ASSIGNED NON-PORTABLE
mnt-by:         MAINT-HK-PCCW-BIA-CS
mnt-irt:        IRT-PCCW-BIA-HK
last-modified:  2021-01-27T13:23:07Z
source:         APNIC

irt:            IRT-PCCW-BIA-HK
address:        PO Box 9896 GPO
e-mail:         noc@imsbiz.com
abuse-mailbox:  noc@imsbiz.com
admin-c:        TA66-AP
tech-c:         TA66-AP
auth:           # Filtered
remarks:        noc@imsbiz.com
remarks:        noc@imsbiz.com was validated on 2024-02-01
mnt-by:         MAINT-HK-PCCW-BIA
last-modified:  2024-02-01T02:38:21Z
source:         APNIC

role:           ABUSE PCCWBIAHK
address:        PO Box 9896 GPO
country:        ZZ
phone:          +000000000
e-mail:         noc@imsbiz.com
admin-c:        TA66-AP
tech-c:         TA66-AP
nic-hdl:        AP706-AP
remarks:        Generated from irt object IRT-PCCW-BIA-HK
remarks:        noc@imsbiz.com was validated on 2024-02-01
abuse-mailbox:  noc@imsbiz.com
mnt-by:         APNIC-ABUSE
last-modified:  2024-03-08T08:56:13Z
source:         APNIC

role:           BIZ NETVIGATOR ADMINISTRATORS
address:        27/F, PCCW Tower, Taikoo Place,
address:        979 King's Road, Quarry Bay, HK
country:        HK
phone:          +852-2888-6932
e-mail:         cs@imsbiz.com
admin-c:        EC496-AP
admin-c:        AT385-AP
tech-c:         NOC18-AP
tech-c:         WC109-AP
nic-hdl:        BNA2-AP
notify:         noc@imsbiz.com
mnt-by:         MAINT-HK-PCCW-BIA
last-modified:  2018-01-02T11:32:47Z
source:         APNIC

role:           TECHNICAL ADMINISTRATORS
address:        HKT Limited
address:        PO Box 9896 GPO
phone:          +852-2883-5151
country:        HK
e-mail:         noc@imsbiz.com
admin-c:        NOC18-AP
admin-c:        WC109-AP
tech-c:         NOC18-AP
tech-c:         WC109-AP
nic-hdl:        TA66-AP
notify:         noc@imsbiz.com
mnt-by:         MAINT-HK-PCCW-BIA
last-modified:  2016-07-15T04:03:30Z
source:         APNIC

% Information related to '113.28.89.0/24AS4515'

route:          113.28.89.0/24
origin:         AS4515
descr:          PCCW IMS Ltd (PCCW Business Internet Access)
                26/F, PCCW TOWER
                TAIKOO PLACE
                979 KINGS ROAD
                QUARRY BAY, HONG KONG
mnt-by:         MAINT-HK-PCCW-BIA-CS
last-modified:  2020-06-12T06:18:28Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.25 (WHOIS-AU2)

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