% 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 '163.53.180.0 - 163.53.183.255'

% Abuse contact for '163.53.180.0 - 163.53.183.255' is 'dtechonlineltd@gmail.com'

inetnum:        163.53.180.0 - 163.53.183.255
netname:        DTECH-BD
descr:          Dtech Limited
country:        BD
org:            ORG-DL11-AP
admin-c:        DA274-AP
tech-c:         DA274-AP
abuse-c:        AD1068-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-DTECH-BD
mnt-routes:     MAINT-DTECH-BD
mnt-irt:        IRT-DTECH-BD
last-modified:  2021-01-14T05:00:53Z
source:         APNIC

irt:            IRT-DTECH-BD
address:        House: 59(1st Floor), Road:04, Block: C, Banani, Dhaka 1213
e-mail:         dtechonlineltd@gmail.com
abuse-mailbox:  dtechonlineltd@gmail.com
admin-c:        DA274-AP
tech-c:         DA274-AP
auth:           # Filtered
remarks:        dtechonlineltd@gmail.com was validated on 2026-02-18
mnt-by:         MAINT-DTECH-BD
last-modified:  2026-02-18T08:38:14Z
source:         APNIC

organisation:   ORG-DL11-AP
org-name:       Dtech Limited
org-type:       LIR
country:        BD
address:        House: 59(5th Floor)
address:        Road:04, Block: C, Banani, Dhaka
phone:          +8801713453137
e-mail:         dtechonlineltd@gmail.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:16:06Z
source:         APNIC

role:           ABUSE DTECHBD
country:        ZZ
address:        House: 59(1st Floor), Road:04, Block: C, Banani, Dhaka 1213
phone:          +000000000
e-mail:         dtechonlineltd@gmail.com
admin-c:        DA274-AP
tech-c:         DA274-AP
nic-hdl:        AD1068-AP
remarks:        Generated from irt object IRT-DTECH-BD
remarks:        dtechonlineltd@gmail.com was validated on 2026-02-18
abuse-mailbox:  dtechonlineltd@gmail.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-02-18T08:39:26Z
source:         APNIC

role:           Dtech administrator
address:        House: 59(1st Floor), Road:04, Block: C, Banani, Dhaka, Dhaka Dhaka 1213
country:        BD
phone:          +8801715959805
fax-no:         +8801715959805
e-mail:         dtechonlineltd@gmail.com
admin-c:        DA274-AP
tech-c:         DA274-AP
nic-hdl:        DA274-AP
mnt-by:         MAINT-DTECH-BD
last-modified:  2014-07-08T22:40:56Z
source:         APNIC

% Information related to '163.53.180.0/24AS58813'

route:          163.53.180.0/24
descr:          Route Object for 163.53.180.0/24
origin:         AS58813
mnt-lower:      MAINT-DTECH-BD
mnt-routes:     MAINT-DTECH-BD
mnt-by:         MAINT-DTECH-BD
last-modified:  2014-07-15T01:33:52Z
source:         APNIC

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