% 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 '203.121.164.0 - 203.121.164.255'

% Abuse contact for '203.121.164.0 - 203.121.164.255' is 'noc.th@pacificinternet.com'

inetnum:        203.121.164.0 - 203.121.164.255
netname:        PACIFICINTERNT-TH
descr:          Pacific Internet (Thailand) Ltd.
country:        TH
geoloc:         13.756300 100.501800
admin-c:        AP3-AP
tech-c:         NPT3-AP
abuse-c:        AP993-AP
status:         ALLOCATED NON-PORTABLE
remarks:        Geofeed https://intra.pacific.net.th/geofeed.csv
mnt-by:         MAINT-TH-PITH
mnt-irt:        IRT-PI-TH
last-modified:  2021-01-19T07:31:20Z
source:         APNIC

irt:            IRT-PI-TH
address:        Pacific Internet (Thailand) Ltd., 140, 10th Fl., Unit 1007-1008, One Pacific Place, Sukhumvit Rd., Klongtoey, Bangkok 10110
e-mail:         noc.th@pacificinternet.com
abuse-mailbox:  noc.th@pacificinternet.com
admin-c:        AP3-AP
tech-c:         AP3-AP
auth:           # Filtered
remarks:        noc.th@pacificinternet.com was validated on 2025-11-28
mnt-by:         MAINT-TH-PITH
last-modified:  2025-12-15T02:15:49Z
source:         APNIC

role:           ABUSE PITH
country:        ZZ
address:        Pacific Internet (Thailand) Ltd., 140, 10th Fl., Unit 1007-1008, One Pacific Place, Sukhumvit Rd., Klongtoey, Bangkok 10110
phone:          +000000000
e-mail:         noc.th@pacificinternet.com
admin-c:        AP3-AP
tech-c:         AP3-AP
nic-hdl:        AP993-AP
remarks:        Generated from irt object IRT-PI-TH
remarks:        noc.th@pacificinternet.com was validated on 2025-11-28
abuse-mailbox:  noc.th@pacificinternet.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-11-28T07:40:06Z
source:         APNIC

role:           NOC PI TH
address:        140, 10th Floor, Unit 1008,
                One Pacific Place, Sukhumvit Road, Klongtoey,
                Bangkok 10110
country:        TH
phone:          +6626872687
e-mail:         noct2.th@pacificinternet.com
admin-c:        AP3-AP
tech-c:         NPT3-AP
nic-hdl:        NPT3-AP
mnt-by:         MAINT-TH-PITH
last-modified:  2024-09-12T02:35:27Z
source:         APNIC

person:         Anukrom Punyashthiti
nic-hdl:        AP3-AP
e-mail:         anukrom@pacific.net.th
e-mail:         anukrom.p@pacificinternet.com
address:        72, 16th Fl., Rm. 1604, CAT Telecom Tower,
address:        Charoenkrung Rd.,
address:        Bangrak
address:        Bangkok 10501
phone:          +66-2-081-8888
fax-no:         +66-2-653-4284
country:        TH
mnt-by:         MAINT-TH-PITH
last-modified:  2024-09-12T02:38:47Z
source:         APNIC

% Information related to '203.121.164.0/24AS4765'

route:          203.121.164.0/24
origin:         AS4765
descr:          PACIFIC INTERNET (S) PTE. LTD.
                1 Fusionopolis Walk #06-02 South Tower
                SOLARIS
                Singapore
mnt-by:         MAINT-SG-PACIFIC
last-modified:  2019-03-26T09:04:36Z
source:         APNIC

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