% 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 '103.122.250.0 - 103.122.251.255'

% Abuse contact for '103.122.250.0 - 103.122.251.255' is 'nomansarker@etherlinkbd.com'

inetnum:        103.122.250.0 - 103.122.251.255
netname:        ACN-BD
descr:          Md. Wahid Murad T/A Anik Computer & Networking
country:        BD
admin-c:        WMM7-AP
tech-c:         WMM7-AP
abuse-c:        AE407-AP
status:         ALLOCATED NON-PORTABLE
mnt-by:         MAINT-ETHERLINK-BD
mnt-irt:        IRT-ETHERLINK-BD
last-modified:  2021-02-21T14:19:54Z
source:         APNIC

irt:            IRT-ETHERLINK-BD
address:        Sarkar Super Complex, Mawna, Sreepur, Gazipur, Bangladesh, Mawna Gazipur 1740
e-mail:         nomansarker@etherlinkbd.com
abuse-mailbox:  nomansarker@etherlinkbd.com
admin-c:        ELA11-AP
tech-c:         ELA11-AP
auth:           # Filtered
remarks:        nomansarker@etherlinkbd.com is invalid
mnt-by:         MAINT-ETHERLINK-BD
last-modified:  2020-01-08T13:12:19Z
source:         APNIC

role:           ABUSE ETHERLINKBD
address:        Sarkar Super Complex, Mawna, Sreepur, Gazipur, Bangladesh, Mawna Gazipur 1740
country:        ZZ
phone:          +000000000
e-mail:         nomansarker@etherlinkbd.com
admin-c:        ELA11-AP
tech-c:         ELA11-AP
nic-hdl:        AE407-AP
remarks:        Generated from irt object IRT-ETHERLINK-BD
abuse-mailbox:  nomansarker@etherlinkbd.com
mnt-by:         APNIC-ABUSE
last-modified:  2021-01-08T09:25:27Z
source:         APNIC

person:         Wahid Murad Masum
address:        37, College Road, Mymensingh-2200
country:        BD
phone:          +8801789429599
e-mail:         masum@aniknetwork.net
nic-hdl:        WMM7-AP
mnt-by:         MAINT-ACN-BD
last-modified:  2020-06-27T17:49:03Z
source:         APNIC

% Information related to '103.122.250.0/24AS135130'

route:          103.122.250.0/24
origin:         AS135130
descr:          Md. Wahid Murad T/A Anik Computer & Networking
mnt-by:         MAINT-ETHERLINK-BD
last-modified:  2021-02-21T14:08:39Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.25 (WHOIS-AU2)

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