% 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 '203.148.88.0 - 203.148.88.255'

% Abuse contact for '203.148.88.0 - 203.148.88.255' is 'nayon.isn@bangla.net.bd'

inetnum:        203.148.88.0 - 203.148.88.255
netname:        ISN-BD
descr:          Loopback Address
country:        BD
admin-c:        HA169-AP
tech-c:         HA169-AP
abuse-c:        AI480-AP
status:         ALLOCATED NON-PORTABLE
mnt-by:         MAINT-BD-ISN
mnt-irt:        IRT-ISN-BD
last-modified:  2021-01-20T13:28:28Z
source:         APNIC

irt:            IRT-ISN-BD
address:        Information Services Network Ltd
address:        TMC Building (4th) Floor, 52 New Eskaton road, Dhaka
e-mail:         info@bangla.net.bd
abuse-mailbox:  nayon.isn@bangla.net.bd
admin-c:        HA169-AP
tech-c:         HA169-AP
auth:           # Filtered
remarks:        info@bangla.net.bd
remarks:        nayon.isn@bangla.net.bd was validated on 2026-05-31
remarks:        info@bangla.net.bd was validated on 2026-06-11
mnt-by:         MAINT-BD-ISN
last-modified:  2026-06-11T05:29:07Z
source:         APNIC

role:           ABUSE ISNBD
country:        ZZ
address:        Information Services Network Ltd
address:        TMC Building (4th) Floor, 52 New Eskaton road, Dhaka
phone:          +000000000
e-mail:         info@bangla.net.bd
admin-c:        HA169-AP
tech-c:         HA169-AP
nic-hdl:        AI480-AP
remarks:        Generated from irt object IRT-ISN-BD
remarks:        nayon.isn@bangla.net.bd was validated on 2026-05-31
remarks:        info@bangla.net.bd was validated on 2026-06-11
abuse-mailbox:  nayon.isn@bangla.net.bd
mnt-by:         APNIC-ABUSE
last-modified:  2026-06-11T05:29:23Z
source:         APNIC

person:         H M Faruque Ahammad
nic-hdl:        HA169-AP
e-mail:         faruque@bangla.net
address:        Information Services Network Ltd
address:        TMC Building (4th) Floor, 52 New Eskaton road, Dhaka
phone:          +880-2-8322785
fax-no:         +880-2-9345460
country:        BD
mnt-by:         MAINT-BD-ISN
last-modified:  2009-01-24T09:28:05Z
source:         APNIC

% Information related to '203.148.88.0/24AS9832'

route:          203.148.88.0/24
descr:          ISN_Chittagong
origin:         AS9832
mnt-by:         MAINT-BD-ISN
last-modified:  2016-05-03T10:31:44Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)