% 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 '221.128.80.0 - 221.128.80.255'

% Abuse contact for '221.128.80.0 - 221.128.80.255' is 'noc@pacificinternet.com'

inetnum:        221.128.80.0 - 221.128.80.255
netname:        PACIFICINTERNET-SG
descr:          Pacific Internet Pte Ltd
country:        SG
org:            ORG-PIPL1-AP
geoloc:         13.756300 100.501800
admin-c:        AP3-AP
tech-c:         NPT3-AP
abuse-c:        AP930-AP
status:         ALLOCATED PORTABLE
remarks:        --------------------------------------------------------
remarks:        To report network abuse, please contact mnt-irt
remarks:        For troubleshooting, please contact tech-c and admin-c
remarks:        Report invalid contact via www.apnic.net/invalidcontact
remarks:        --------------------------------------------------------
mnt-by:         APNIC-HM
mnt-lower:      MAINT-SG-PACIFIC
mnt-routes:     MAINT-SG-PACIFIC
mnt-irt:        IRT-PACIFICINTERNET-SG
last-modified:  2021-01-14T01:18:28Z
source:         APNIC

irt:            IRT-PACIFICINTERNET-SG
address:        1 Tai Seng Avenue,
e-mail:         noc@pacificinternet.com
abuse-mailbox:  noc@pacificinternet.com
admin-c:        PIPL6-AP
tech-c:         PIPL6-AP
auth:           # Filtered
remarks:        noc@pacificinternet.com was validated on 2025-09-05
mnt-by:         MAINT-SG-PACIFIC
last-modified:  2025-12-15T02:15:48Z
source:         APNIC

organisation:   ORG-PIPL1-AP
org-name:       PACIFIC INTERNET (S) PTE. LTD.
org-type:       LIR
country:        SG
address:        1 Tai Seng Avenue, # 06-01 Tai Seng Exchange (TSX)
address:        Tower A
phone:          +65-67463822
fax-no:         +65-68221327
e-mail:         net-backend@pacificinternet.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2024-06-06T12:57:29Z
source:         APNIC

role:           ABUSE PACIFICINTERNETSG
country:        ZZ
address:        1 Tai Seng Avenue,
phone:          +000000000
e-mail:         noc@pacificinternet.com
admin-c:        PIPL6-AP
tech-c:         PIPL6-AP
nic-hdl:        AP930-AP
remarks:        Generated from irt object IRT-PACIFICINTERNET-SG
remarks:        noc@pacificinternet.com was validated on 2025-09-05
abuse-mailbox:  noc@pacificinternet.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-09-05T01:41:31Z
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 '221.128.80.0/24AS4765'

route:          221.128.80.0/24
origin:         AS4765
descr:          PACIFIC INTERNET (S) PTE. LTD.
                1 Fusionopolis Walk #06-02 South Tower
                SOLARIS
                Singapore
mnt-by:         MAINT-SG-PACIFIC
last-modified:  2019-03-26T09:04:23Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.36-SNAPSHOT (WHOIS-AU5)