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

% [whois.apnic.net]
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% Information related to '202.191.128.0 - 202.191.255.255'

% Abuse contact for '202.191.128.0 - 202.191.255.255' is 'abuse@sifycorp.com'

inetnum:        202.191.128.0 - 202.191.255.255
netname:        SIFYNET-IN
descr:          Sify Limited
country:        IN
admin-c:        HS51-AP
tech-c:         HS51-AP
mnt-by:         MAINT-IN-IRINN
mnt-routes:     MAINT-IN-SIFY
mnt-lower:      MAINT-IN-SIFY
mnt-irt:        IRT-SIFYNET-IN
status:         ALLOCATED PORTABLE
last-modified:  2013-04-07T23:49:29Z
source:         APNIC

irt:            IRT-SIFYNET-IN
address:        Sify Limited,
address:        5th, 6th & 7th floor Reliable Plaza,
address:        Kalwa industrial Area, Thane Belapur Road,
address:        Airoli, Navi Mumbai-400708
e-mail:         ipadmin@sifycorp.com
abuse-mailbox:  abuse@sifycorp.com
admin-c:        HS51-AP
tech-c:         HS51-AP
auth:           # Filtered
mnt-by:         MAINT-IN-SIFY
last-modified:  2024-06-10T09:40:27Z
source:         APNIC

person:         Hostmaster Satyam Infoway
nic-hdl:        HS51-AP
e-mail:         ipadmin@sifycorp.com
address:        Sify Limited,
address:        Second Floor, Tidel Park,
address:        No.4,Canal Bank Road,
address:        Taramani, Chennai - 600113
phone:          +91-44-22540770
fax-no:         +91-44-22540771
country:        IN
mnt-by:         MAINT-IN-SIFY
last-modified:  2008-09-04T07:29:11Z
source:         APNIC

% Information related to '202.191.206.0/24AS9583'

route:          202.191.206.0/24
descr:          Sify ip address space
origin:         AS9583
mnt-by:         MAINT-IN-SIFY
last-modified:  2012-04-29T04:34:02Z
source:         APNIC

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