% APNIC found the following authoritative answer from: whois.apnic.net

% [whois.apnic.net]
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% Information related to '103.147.136.0 - 103.147.137.255'

% Abuse contact for '103.147.136.0 - 103.147.137.255' is 'SUNIL.FIBRE@GMAIL.COM'

inetnum:        103.147.136.0 - 103.147.137.255
netname:        SPEEDHR
descr:          Speednet Haryana
admin-c:        NA765-AP
tech-c:         NA765-AP
country:        IN
mnt-by:         MAINT-IN-IRINN
mnt-irt:        IRT-SPEEDHR-IN
mnt-routes:     MAINT-IN-SPEEDHR
mnt-routes:     MAINT-IN-IRINN
status:         ASSIGNED PORTABLE
last-modified:  2025-08-11T22:50:32Z
source:         APNIC

irt:            IRT-SPEEDHR-IN
address:        SCO-3 LANDMARK COMPLEX, MEDICAL MOR, ROHTAK , Haryana 124001,Rohtak,Haryana-124001
e-mail:         speednet313441@yahoo.co.in
abuse-mailbox:  SUNIL.FIBRE@GMAIL.COM
admin-c:        NA765-AP
tech-c:         NA765-AP
auth:           # Filtered
mnt-by:         MAINT-IN-SPEEDHR
mnt-by:         MAINT-IN-IRINN
last-modified:  2026-01-12T05:17:11Z
source:         APNIC

role:           Network admin
address:        SCO-3 LANDMARK COMPLEX, MEDICAL MOR, ROHTAK , Haryana 124001,Rohtak,Haryana-124001
country:        IN
phone:          +91 126234500080
e-mail:         speednet313441@yahoo.co.in
admin-c:        RH979-AP
tech-c:         RH979-AP
nic-hdl:        NA765-AP
mnt-by:         MAINT-IN-SPEEDHR
mnt-by:         MAINT-IN-IRINN
last-modified:  2025-09-27T10:03:07Z
source:         APNIC

% Information related to '103.147.137.0/24AS132771'

route:          103.147.137.0/24
descr:          route object
mnt-by:         MAINT-IN-FIBREAIR
mnt-by:         MAINT-IN-IRINN
mnt-routes:     MAINT-IN-IRINN
origin:         AS132771
last-modified:  2025-12-14T22:22:21Z
source:         APNIC

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