% 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 '111.223.28.0 - 111.223.31.255'

% Abuse contact for '111.223.28.0 - 111.223.31.255' is 'amit.sahi@timbl.co.in'

inetnum:        111.223.28.0 - 111.223.31.255
netname:        IIS
descr:          Infinity Internet Services
admin-c:        TM1033-AP
tech-c:         TM1033-AP
country:        IN
mnt-by:         MAINT-IN-IRINN
mnt-lower:      MAINT-IN-IRINN
mnt-irt:        IRT-IIS-IN
mnt-routes:     MAINT-IN-IIS
mnt-routes:     MAINT-IN-IRINN
status:         ALLOCATED PORTABLE
last-modified:  2025-08-11T22:52:36Z
source:         APNIC

irt:            IRT-IIS-IN
address:        WZ-1080B,NANGAL RAYA,New Delhi,Delhi-110046
e-mail:         amit.sahi@timbl.co.in
abuse-mailbox:  amit.sahi@timbl.co.in
admin-c:        TM1033-AP
tech-c:         TM1033-AP
auth:           # Filtered
mnt-by:         MAINT-IN-IIS
mnt-by:         MAINT-IN-IRINN
last-modified:  2026-01-12T05:15:21Z
source:         APNIC

role:           Tech Manager
address:        WZ-1080B,NANGAL RAYA,New Delhi,Delhi-110046
country:        IN
phone:          +919250007626
e-mail:         amit.sahi@timbl.co.in
admin-c:        TM1033-AP
tech-c:         TM1033-AP
nic-hdl:        TM1033-AP
mnt-by:         MAINT-IN-IIS
mnt-by:         MAINT-IN-IRINN
last-modified:  2025-09-27T09:57:18Z
source:         APNIC

% Information related to '111.223.29.0/24AS135031'

route:          111.223.29.0/24
descr:          Infinity Internet Services
origin:         AS135031
mnt-by:         MAINT-IN-IRINN
mnt-routes:     MAINT-IN-IRINN
mnt-routes:     MAINT-IN-IIS
notify:         amit.sahi@timbl.co.in
last-modified:  2025-12-14T22:18:49Z
source:         APNIC

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