% 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 '103.121.152.0 - 103.121.155.255'

% Abuse contact for '103.121.152.0 - 103.121.155.255' is 'abuse@asgtelecom.in'

inetnum:        103.121.152.0 - 103.121.155.255
netname:        ASGTELE
descr:          Asg Telecom Pvt Ltd
admin-c:        MN801-AP
tech-c:         MN801-AP
country:        IN
mnt-by:         MAINT-IN-IRINN
mnt-lower:      MAINT-IN-ASGTELE
mnt-lower:      MAINT-IN-IRINN
mnt-routes:     MAINT-IN-ASGTELE
mnt-routes:     MAINT-IN-IRINN
mnt-irt:        IRT-ASGTELE-IN
status:         ALLOCATED PORTABLE
last-modified:  2025-08-11T22:50:11Z
source:         APNIC

irt:            IRT-ASGTELE-IN
address:        46 Sadguru Society, Nr Datta Mandir, Chandan Nagar, Kharadi,Pune,Maharashtra-411014
e-mail:         admin@asgtelecom.in
abuse-mailbox:  abuse@asgtelecom.in
admin-c:        MN801-AP
tech-c:         MN801-AP
auth:           # Filtered
mnt-by:         MAINT-IN-ASGTELE
mnt-by:         MAINT-IN-IRINN
last-modified:  2026-09-26T06:19:01Z
source:         APNIC

role:           Manager NOC
address:        46 Sadguru Society, Nr Datta Mandir, Chandan Nagar, Kharadi,Pune,Maharashtra-411014
country:        IN
phone:          +91 02024490608
e-mail:         admin@asgtelecom.in
admin-c:        SA1183-AP
tech-c:         SA1183-AP
nic-hdl:        MN801-AP
mnt-by:         MAINT-IN-ASGTELE
mnt-by:         MAINT-IN-IRINN
last-modified:  2025-09-27T10:01:58Z
source:         APNIC

% Information related to '103.121.154.0/24AS136284'

route:          103.121.154.0/24
descr:          route object
origin:         AS136284
mnt-by:         MAINT-IN-ASGTELE
mnt-by:         MAINT-IN-IRINN
mnt-routes:     MAINT-IN-IRINN
last-modified:  2025-12-14T22:21:41Z
source:         APNIC

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