% 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 'AS23552 - AS24575'

as-block:       AS23552 - AS24575
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
remarks:        AS23889 has been transfered to AfriNIC
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2009-09-29T06:04:16Z
source:         APNIC

role:           APNIC Hostmaster
address:        P.O. BOX 2131
address:        4101 QLD
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:  2026-08-14T00:28:10Z
source:         APNIC

% Information related to 'AS24178 - AS24193'

as-block:       AS24178 - AS24193
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:  2008-09-04T06:40:26Z
source:         APNIC

role:           APNIC Hostmaster
address:        P.O. BOX 2131
address:        4101 QLD
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:  2026-08-14T00:28:10Z
source:         APNIC

% Information related to 'AS24187'

% Abuse contact for 'AS24187' is 'gun@kirz.com'

aut-num:        AS24187
as-name:        KIRZ-AS-TH
descr:          KIRZ Service Provider
country:        TH
import:         from AS4651 action pref=100; accept ANY
import:         from AS38082 action pref=100; accept ANY
import:         from AS9505 action pref=100; accept ANY
import:         from AS32743 action pref=100; accept ANY
import:         from AS4652 action pref=300; accept ANY
import:         from AS38081 action pref=350; accept ANY
import:         from AS45197 action pref=500; accept <^AS45197+$>
export:         to AS4651 announce AS24187 AS45197
export:         to AS38082 announce AS24187 AS45197
export:         to AS9505 announce AS24187 AS45197
export:         to AS32743 announce AS24187 AS45197
export:         to AS4651 announce AS24187 AS45197
export:         to AS38081 announce AS24187 AS45197
default:        to AS38082 action pref=100; networks ANY
org:            ORG-KCL2-AP
admin-c:        GK263-AP
tech-c:         GK263-AP
abuse-c:        AK1130-AP
notify:         gun@kirz.com
mnt-lower:      MAINT-TH-KIRZ
mnt-routes:     MAINT-TH-KIRZ
mnt-by:         APNIC-HM
mnt-irt:        IRT-KIRZ-TH
last-modified:  2020-06-17T13:05:50Z
source:         APNIC

irt:            IRT-KIRZ-TH
address:        192 Soi Ladprao 107
address:        Bangkapi, Bangkok 10240
address:        Thailand
e-mail:         gun@kirz.com
abuse-mailbox:  gun@kirz.com
admin-c:        GK263-AP
tech-c:         GK263-AP
auth:           # Filtered
remarks:        gun@kirz.com was validated on 2026-06-05
mnt-by:         MAINT-TH-KIRZ
last-modified:  2026-07-22T04:45:16Z
source:         APNIC

organisation:   ORG-KCL2-AP
org-name:       KIRZ Company Limited
org-type:       LIR
country:        TH
address:        AWN, MetroSystem, NT, TCC, STT BKK, Telehouse, True
phone:          +668-5-462-4444
fax-no:         +662-731-1140
e-mail:         gun@kirz.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2024-03-24T12:57:34Z
source:         APNIC

role:           ABUSE KIRZTH
country:        ZZ
address:        192 Soi Ladprao 107
address:        Bangkapi, Bangkok 10240
address:        Thailand
phone:          +000000000
e-mail:         gun@kirz.com
admin-c:        GK263-AP
tech-c:         GK263-AP
nic-hdl:        AK1130-AP
remarks:        Generated from irt object IRT-KIRZ-TH
remarks:        gun@kirz.com was validated on 2026-06-05
abuse-mailbox:  gun@kirz.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-06-05T06:17:05Z
source:         APNIC

person:         Gun Kirdkao
nic-hdl:        GK263-AP
e-mail:         gun@kirz.com
address:        192 Soi Ladprao 107
address:        Bangkapi
phone:          +66-0-1834-0888
fax-no:         +66-0-2731-1140
country:        TH
mnt-by:         MAINT-NEW
last-modified:  2008-09-04T07:29:24Z
source:         APNIC

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