% 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 '180.87.191.0 - 180.87.191.255'

% Abuse contact for '180.87.191.0 - 180.87.191.255' is '6453abuse@tatacommunications.com'

inetnum:        180.87.191.0 - 180.87.191.255
netname:        INFRA-TATAC
descr:          Customer Access-30 and BB internal use
country:        HK
admin-c:        IA75-AP
tech-c:         IA75-AP
abuse-c:        AG729-AP
status:         ASSIGNED NON-PORTABLE
mnt-by:         MAINT-AP-AS6453
mnt-irt:        IRT-GLBE-AP
last-modified:  2021-04-14T13:08:31Z
source:         APNIC

irt:            IRT-GLBE-AP
address:        1441 Carrie-Derick
address:        Montreal, Quebec Canada
address:        H3C 4S9
e-mail:         ip-addr@tatacommunications.com
abuse-mailbox:  6453abuse@tatacommunications.com
admin-c:        IA75-AP
tech-c:         IA75-AP
auth:           # Filtered
remarks:        ip-addr@tatacommunications.com was validated on 2026-03-26
remarks:        6453abuse@tatacommunications.com was validated on 2026-03-30
mnt-by:         MAINT-AP-AS6453
last-modified:  2026-03-30T07:15:52Z
source:         APNIC

role:           ABUSE GLBEAP
country:        ZZ
address:        1441 Carrie-Derick
address:        Montreal, Quebec Canada
address:        H3C 4S9
phone:          +000000000
e-mail:         ip-addr@tatacommunications.com
admin-c:        IA75-AP
tech-c:         IA75-AP
nic-hdl:        AG729-AP
remarks:        Generated from irt object IRT-GLBE-AP
remarks:        ip-addr@tatacommunications.com was validated on 2026-03-26
remarks:        6453abuse@tatacommunications.com was validated on 2026-03-30
abuse-mailbox:  6453abuse@tatacommunications.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-03-30T07:16:17Z
source:         APNIC

person:         IP Admin
nic-hdl:        IA75-AP
e-mail:         ip-addr@tatacommunications.com
address:        1441 Carrie-Derick
address:        Montreal, Quebec Canada
address:        H3C 4S9
phone:          +1-514-868-7777
fax-no:         +1-514-868-7765
country:        CA
mnt-by:         MAINT-NEW
last-modified:  2008-09-04T07:46:24Z
source:         APNIC

% Information related to '180.87.191.0/24AS6453'

route:          180.87.191.0/24
origin:         AS6453
descr:          Tata Communications (CANADA) Ltd.
                1555 Carrie-Derick H3C 6W2
mnt-by:         MAINT-AP-TATACOMMUNICATIONS
last-modified:  2020-09-11T13:21:37Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU4)