% 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 '103.138.144.0 - 103.138.145.255'

% Abuse contact for '103.138.144.0 - 103.138.145.255' is 'abuse@neefit.net'

inetnum:        103.138.144.0 - 103.138.145.255
netname:        NEEFIT-BD
descr:          NEEF IT LIMITED
country:        BD
geoloc:         24.433906 90.784671
org:            ORG-NIL2-AP
admin-c:        NILA3-AP
tech-c:         NILA3-AP
abuse-c:        AN1049-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-NEEFIT-BD
mnt-routes:     MAINT-NEEFIT-BD
mnt-irt:        IRT-NEEFIT-BD
last-modified:  2020-10-28T13:04:07Z
source:         APNIC

irt:            IRT-NEEFIT-BD
address:        147, Kishoreganj- 2300 Dhaka, Bangladesh
phone:          +8801717157421
e-mail:         neefit@yahoo.com
abuse-mailbox:  abuse@neefit.net
admin-c:        NILA3-AP
tech-c:         NILA3-AP
auth:           # Filtered
remarks:        abuse@neefit.net was validated on 2025-09-23
remarks:        neefit@yahoo.com was validated on 2025-12-23
mnt-by:         MAINT-NEEFIT-BD
last-modified:  2025-12-23T13:31:45Z
source:         APNIC

organisation:   ORG-NIL2-AP
org-name:       NEEF IT LIMITED
org-type:       LIR
country:        BD
address:        House-147(3rd Floor), Station Road, Puranthana
phone:          +8801951100007
e-mail:         info@neefit.net
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:17:48Z
source:         APNIC

role:           ABUSE NEEFITBD
country:        ZZ
address:        147, Kishoreganj- 2300 Dhaka, Bangladesh
phone:          +8801717157421
e-mail:         neefit@yahoo.com
admin-c:        NILA3-AP
tech-c:         NILA3-AP
nic-hdl:        AN1049-AP
remarks:        Generated from irt object IRT-NEEFIT-BD
remarks:        abuse@neefit.net was validated on 2025-09-23
remarks:        neefit@yahoo.com was validated on 2025-12-23
abuse-mailbox:  abuse@neefit.net
mnt-by:         APNIC-ABUSE
last-modified:  2025-12-23T13:32:15Z
source:         APNIC

role:           NEEF IT LIMITED administrator
address:        147, Kishoreganj- 2300 Bangladesh
country:        BD
phone:          +8801951100007
e-mail:         neefit@yahoo.com
admin-c:        NILA3-AP
tech-c:         NILA3-AP
nic-hdl:        NILA3-AP
mnt-by:         MAINT-NEEFIT-BD
last-modified:  2019-05-07T06:36:28Z
source:         APNIC

% Information related to '103.138.145.0/24AS139008'

route:          103.138.145.0/24
descr:          Route Object for 103.138.144.0/23
origin:         AS139008
mnt-by:         MAINT-NEEFIT-BD
mnt-lower:      MAINT-NEEFIT-BD
mnt-routes:     MAINT-NEEFIT-BD
notify:         admin@neefit.net
last-modified:  2019-05-07T07:00:13Z
country:        BD
source:         APNIC

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