% 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 '146.196.44.0 - 146.196.47.255'

% Abuse contact for '146.196.44.0 - 146.196.47.255' is 'bbsystem@gtplkcbpl.net'

inetnum:        146.196.44.0 - 146.196.47.255
netname:        GTPLKCBPL
descr:          GTPL KCBPL BROADBAND PVT LTD
admin-c:        NA562-AP
tech-c:         NA562-AP
country:        IN
mnt-by:         MAINT-IN-IRINN
mnt-irt:        IRT-GTPLKCBPL-IN
mnt-routes:     MAINT-IN-GTPLKCBPL
mnt-routes:     MAINT-IN-IRINN
status:         ASSIGNED PORTABLE
last-modified:  2025-08-11T22:56:47Z
source:         APNIC

irt:            IRT-GTPLKCBPL-IN
address:        86 Golaghata Road, Ganga Apartment, Block A, 3rd Floor,Kolkata,West Bengal-700048
e-mail:         gtplkcbpl@gmail.com
abuse-mailbox:  bbsystem@gtplkcbpl.net
admin-c:        NA562-AP
tech-c:         NA562-AP
auth:           # Filtered
mnt-by:         MAINT-IN-GTPLKCBPL
mnt-by:         MAINT-IN-IRINN
last-modified:  2025-11-18T00:30:41Z
source:         APNIC

role:           Network Administrator
address:        86 Golaghata Road, Ganga Apartment, Block A, 3rd Floor,Kolkata,West Bengal-700048
country:        IN
phone:          +91 03365554333
e-mail:         gtplkcbpl@gmail.com
admin-c:        GB476-AP
tech-c:         GB476-AP
nic-hdl:        NA562-AP
mnt-by:         MAINT-IN-GTPLKCBPL
mnt-by:         MAINT-IN-IRINN
last-modified:  2025-09-27T09:58:02Z
source:         APNIC

% Information related to '146.196.46.0/24AS135872'

route:          146.196.46.0/24
descr:          Route object
origin:         AS135872
country:        IN
notify:         bbsystem@gtplkcbpl.net
mnt-by:         MAINT-IN-GTPLKCBPL
mnt-by:         MAINT-IN-IRINN
mnt-routes:     MAINT-IN-IRINN
mnt-routes:     MAINT-IN-GTPLKCBPL
last-modified:  2025-12-14T22:19:17Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-AU4)