% 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 '103.81.36.0 - 103.81.39.255'

% Abuse contact for '103.81.36.0 - 103.81.39.255' is 'abuse@superbdigitalbroadband.com'

inetnum:        103.81.36.0 - 103.81.39.255
netname:        SUPERB
descr:          Superb Digital Broadband Pvt.ltd.
admin-c:        IS244-AP
tech-c:         IS244-AP
country:        IN
mnt-by:         MAINT-IN-IRINN
mnt-irt:        IRT-SUPERB-IN
mnt-routes:     MAINT-IN-SUPERB
mnt-routes:     MAINT-IN-IRINN
status:         ASSIGNED PORTABLE
last-modified:  2025-08-11T22:49:37Z
source:         APNIC

irt:            IRT-SUPERB-IN
address:        S.N.35/2, Hasanpapa Chal, Opp.Shree Medical, Vitthalwadi, Akurdi Pune,Pune,Maharashtra-411035
e-mail:         netadmin@superbdigitalbroadband.com
abuse-mailbox:  abuse@superbdigitalbroadband.com
admin-c:        IS244-AP
tech-c:         IS244-AP
auth:           # Filtered
mnt-by:         MAINT-IN-SUPERB
mnt-by:         MAINT-IN-IRINN
last-modified:  2026-07-27T09:47:06Z
source:         APNIC

person:         Ikhalas Sayyed
address:        S.N.35/2, Hasanpapa Chal, Opp.Shree Medical, Vitthalwadi, Akurdi Pune,Pune,Maharashtra-411035
country:        IN
phone:          +91 9970008976
e-mail:         netadmin@superbdigitalbroadband.com
nic-hdl:        IS244-AP
mnt-by:         MAINT-IN-SUPERB
mnt-by:         MAINT-IN-IRINN
last-modified:  2025-09-27T09:59:48Z
source:         APNIC

% Information related to '103.81.39.0/24AS132770'

route:          103.81.39.0/24
descr:          Superb Digital Broadband Pvt.ltd.
origin:         AS132770
country:        IN
notify:         abuse@superbdigitalbroadband.com
mnt-by:         MAINT-IN-IRINN
mnt-routes:     MAINT-IN-IRINN
mnt-routes:     MAINT-IN-SUPERB
last-modified:  2025-12-14T22:20:25Z
source:         APNIC

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