% 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 '49.207.136.0 - 49.207.139.255'

% Abuse contact for '49.207.136.0 - 49.207.139.255' is 'abuse@actcorp.in'

inetnum:        49.207.136.0 - 49.207.139.255
netname:        ACT-FIBERNET-CHENNAI
descr:          Atria Convergence Technologies pvt ltd
country:        IN
geoloc:         13.033598 80.240678
admin-c:        AB208-AP
tech-c:         AB208-AP
abuse-c:        AC1823-AP
status:         ASSIGNED NON-PORTABLE
mnt-by:         MAINT-IN-ACT
mnt-irt:        IRT-CABLELITE-IN
last-modified:  2024-11-13T06:56:29Z
source:         APNIC

irt:            IRT-CABLELITE-IN
address:        Atria Convergence Technologies Pvt Ltd
address:
address:        Queen's Road, Bangalore - 560 001
e-mail:         apnic@actcorp.in
abuse-mailbox:  abuse@actcorp.in
admin-c:        IA145-AP
tech-c:         IT120-AP
auth:           # Filtered
remarks:        apnic@actcorp.in was validated on 2025-11-11
remarks:        abuse@actcorp.in was validated on 2025-11-12
mnt-by:         MAINT-IN-ACT
last-modified:  2025-11-26T04:45:13Z
source:         APNIC

role:           ABUSE CABLELITEIN
country:        ZZ
address:        Atria Convergence Technologies Pvt Ltd
address:
address:        Queen's Road, Bangalore - 560 001
phone:          +000000000
e-mail:         apnic@actcorp.in
admin-c:        IA145-AP
tech-c:         IT120-AP
nic-hdl:        AC1823-AP
remarks:        Generated from irt object IRT-CABLELITE-IN
remarks:        apnic@actcorp.in was validated on 2025-11-11
remarks:        abuse@actcorp.in was validated on 2025-11-12
abuse-mailbox:  abuse@actcorp.in
mnt-by:         APNIC-ABUSE
last-modified:  2025-11-12T17:46:20Z
source:         APNIC

person:         Administrator Beam Cable System
nic-hdl:        AB208-AP
e-mail:         tech.support@incredible.actcorp.in
address:        Beam Telecom Pvt Ltd
address:        8-2-618/1/2, Road No 11,
address:        Banjara Hills,
address:        Hyderabad
address:        Telangana
address:        500034
address:        India
phone:          +914066272727
country:        IN
mnt-by:         MAINT-IN-BEAMTELECOM
last-modified:  2019-04-24T19:32:40Z
source:         APNIC

% Information related to '49.207.136.0/21AS24309'

route:          49.207.136.0/21
origin:         AS24309
descr:          Atria Convergence Technologies Pvt. Ltd.,
                No 1, 2nd Floor,
                Indian Express Building,
                Queen's Road
mnt-by:         MAINT-IN-SHYJU
last-modified:  2025-08-26T10:03:26Z
source:         APNIC

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