% APNIC found the following authoritative answer from: whois.apnic.net

% [whois.apnic.net]
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% Information related to '203.155.0.0 - 203.155.255.255'

% Abuse contact for '203.155.0.0 - 203.155.255.255' is 'abuse-ip@ksc.net'

inetnum:        203.155.0.0 - 203.155.255.255
netname:        COMNET-TH
descr:          KSC Commercial Internet Co. Ltd.
descr:          2/4 Samaggi Insurance Tower 10th Fl.,
descr:          Viphavadee-Rangsit RD
descr:          Thungsonghong, Laksi
descr:          Bangkok 10210
country:        TH
org:            ORG-KCIC1-AP
admin-c:        TOC1-AP
tech-c:         TOC1-AP
abuse-c:        AK1137-AP
status:         ALLOCATED PORTABLE
remarks:        service provider
remarks:        Delegate small blocks to /16 block
mnt-by:         APNIC-HM
mnt-lower:      KSC-ADMIN
mnt-routes:     KSC-ADMIN
mnt-irt:        IRT-KSC-TH
last-modified:  2020-10-20T00:56:49Z
source:         APNIC

irt:            IRT-KSC-TH
address:        KSC Commercial Internet Co.,Ltd.
address:        Operation Department
address:        2/4 Chubb Tower 10th Fl., Viphavadee-Rangsit Rd.,
address:        Thungsonghong, Laksi, BKK, 10210. TH.
e-mail:         abuse-ip@ksc.net
abuse-mailbox:  abuse-ip@ksc.net
admin-c:        TOC1-AP
tech-c:         TOC1-AP
auth:           # Filtered
remarks:        abuse-ip@ksc.net was validated on 2024-08-06
mnt-by:         KSC-ADMIN
last-modified:  2024-08-06T13:26:35Z
source:         APNIC

organisation:   ORG-KCIC1-AP
org-name:       KSC Commercial Internet Co.Ltd.
org-type:       LIR
country:        TH
address:        2/4 Chubb Tower, 10th Floor
address:        Vibhavadee-Rangist Road
address:        Thungsonghong
phone:          +66-2-779-7777
fax-no:         +662-779-7111
e-mail:         cservice@ksc.net
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:43Z
source:         APNIC

role:           ABUSE KSCTH
country:        ZZ
address:        KSC Commercial Internet Co.,Ltd.
address:        Operation Department
address:        2/4 Chubb Tower 10th Fl., Viphavadee-Rangsit Rd.,
address:        Thungsonghong, Laksi, BKK, 10210. TH.
phone:          +000000000
e-mail:         abuse-ip@ksc.net
admin-c:        TOC1-AP
tech-c:         TOC1-AP
nic-hdl:        AK1137-AP
remarks:        Generated from irt object IRT-KSC-TH
remarks:        abuse-ip@ksc.net was validated on 2024-08-06
abuse-mailbox:  abuse-ip@ksc.net
mnt-by:         APNIC-ABUSE
last-modified:  2024-08-06T13:26:44Z
source:         APNIC

person:         Technical Operation Center
address:        KSC Commercial Internet Co.,Ltd.
address:        Operation Department
address:        2/4 Samaggi Insurance Tower 10th Fl., Viphavadee-Rangsit Rd.,
address:        Thungsonghong, Laksi
address:        Bangkok 10210
country:        TH
phone:          +66-2-9797777 ext. 8428
e-mail:         netadmin@ns.ksc.co.th
nic-hdl:        TOC1-AP
mnt-by:         KSC-ADMIN
last-modified:  2008-09-04T07:29:15Z
source:         APNIC

% Information related to '203.155.48.0/20AS7693'

route:          203.155.48.0/20
origin:         AS7693
descr:          KSC Commercial Internet Co.Ltd.
                2/4 Chubb Tower, 10th Floor
                Vibhavadee-Rangist Road
                Thungsonghong
mnt-by:         KSC-ADMIN
last-modified:  2019-06-25T09:55:49Z
source:         APNIC

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

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