% 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 '2404:9dc0::/32'

% Abuse contact for '2404:9dc0::/32' is 'bd_abuse@bytedance.com'

inet6num:       2404:9dc0::/32
netname:        TIKTOK-SG
descr:          TIKTOK PTE. LTD.
country:        SG
org:            ORG-BP5-AP
admin-c:        BPA3-AP
tech-c:         BPA3-AP
abuse-c:        AT1336-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-TIKTOK-SG
mnt-routes:     MAINT-TIKTOK-SG
mnt-irt:        IRT-TIKTOK-SG
last-modified:  2020-09-09T22:34:11Z
source:         APNIC

irt:            IRT-TIKTOK-SG
address:        8 Marina View
e-mail:         noc@bytedance.com
abuse-mailbox:  bd_abuse@bytedance.com
admin-c:        BPA3-AP
tech-c:         BPA3-AP
auth:           # Filtered
remarks:        bd_abuse@bytedance.com was validated on 2025-08-25
remarks:        noc@bytedance.com was validated on 2025-10-07
mnt-by:         MAINT-TIKTOK-SG
last-modified:  2025-11-18T00:32:57Z
source:         APNIC

organisation:   ORG-BP5-AP
org-name:       TIKTOK PTE. LTD.
org-type:       LIR
country:        SG
address:        8 Marina View # 17-01 Asia Square Tower 1
phone:          +65-6950-4421
e-mail:         BD@bytedance.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:17:38Z
source:         APNIC

role:           ABUSE TIKTOKSG
country:        ZZ
address:        8 Marina View
phone:          +000000000
e-mail:         noc@bytedance.com
admin-c:        BPA3-AP
tech-c:         BPA3-AP
nic-hdl:        AT1336-AP
remarks:        Generated from irt object IRT-TIKTOK-SG
remarks:        bd_abuse@bytedance.com was validated on 2025-08-25
remarks:        noc@bytedance.com was validated on 2025-10-07
abuse-mailbox:  bd_abuse@bytedance.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-10-07T03:50:19Z
source:         APNIC

role:           BYTEMOD PTE administrator
address:        1 Raffles Quay, Level 26, Singapore 048583
country:        SG
phone:          +15104224583
fax-no:         +15104224583
e-mail:         sg_noc@bytedance.com
admin-c:        BPA3-AP
tech-c:         BPA3-AP
nic-hdl:        BPA3-AP
mnt-by:         MAINT-TIKTOK-SG
last-modified:  2025-11-18T08:32:16Z
source:         APNIC

% Information related to '2404:9dc0:cd01::/48AS138699'

route6:         2404:9dc0:cd01::/48
origin:         AS138699
descr:          Bytedance Content Services
descr:          TikTok
mnt-by:         MAINT-TIKTOK-SG
last-modified:  2019-06-30T01:55:32Z
country:        SG
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.47 (WHOIS-AU4)