% 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 '103.238.72.0 - 103.238.75.255'

% Abuse contact for '103.238.72.0 - 103.238.75.255' is 'hm-changed@vnnic.vn'

inetnum:        103.238.72.0 - 103.238.75.255
netname:        HTCHCMC-VN
descr:          Branch of Hanoi Telecom JSC in HCM
descr:          385C Nguyen Trai, Nguyen Cu Trinh, District 1, HCMC
admin-c:        NAD4-AP
admin-c:        LHK11-AP
tech-c:         NXT10-AP
remarks:        send spam and abuse report to trungnx@hanoitelecom.com
country:        VN
mnt-by:         MAINT-VN-VNNIC
mnt-lower:      MAINT-VN-VNNIC
mnt-irt:        IRT-VNNIC-AP
status:         ALLOCATED PORTABLE
last-modified:  2014-07-21T12:19:54Z
source:         APNIC

irt:            IRT-VNNIC-AP
address:        Ha Noi, VietNam
phone:          +84-24-35564944
fax-no:         +84-24-37821462
e-mail:         hm-changed@vnnic.vn
abuse-mailbox:  hm-changed@vnnic.vn
admin-c:        NTTT1-AP
tech-c:         NTTT1-AP
auth:           # Filtered
mnt-by:         MAINT-VN-VNNIC
last-modified:  2026-04-06T06:49:37Z
source:         APNIC

person:         Le Huy Khoi
nic-hdl:        LHK11-AP
e-mail:         khoi.lh@hanoitelecom.com
address:        Hanoi Telecom Corporation
address:        2 Chua Boc, Dong Da, Hanoi
phone:          +84-24-35729833
fax-no:         +84-24-35729833
country:        VN
mnt-by:         MAINT-VN-VNNIC
last-modified:  2017-11-18T02:51:51Z
source:         APNIC

person:         Nguyen Anh Dung
nic-hdl:        NAD4-AP
e-mail:         dung.na@hanoitelecom.com
address:        Branch of Hanoi Telecom JSC in HCM
address:        385C Nguyen Trai, Nguyen Cu Trinh, District 1, HCMC
phone:          +84-28-39206769
fax-no:         +84-28-39206769
country:        VN
mnt-by:         MAINT-VN-VNNIC
last-modified:  2017-11-18T02:51:35Z
source:         APNIC

person:         Nguyen Xuan Trung
nic-hdl:        NXT10-AP
e-mail:         trungnx@hanoitelecom.com
address:        Hanoi Telecom Corporation
address:        2 Chua Boc, Dong Da, Hanoi
phone:          +84-24-35729833
fax-no:         +84-24-35729833
country:        VN
mnt-by:         MAINT-VN-VNNIC
last-modified:  2017-11-18T02:52:06Z
source:         APNIC

% Information related to '103.238.74.0/24AS24088'

route:          103.238.74.0/24
descr:          HTCHCMC-VN
origin:         AS24088
mnt-by:         MAINT-VN-VNNIC
last-modified:  2024-05-16T09:17:22Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU4)