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

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to '151.237.11.0 - 151.237.15.255'

% Abuse contact for '151.237.11.0 - 151.237.15.255' is '6453abuse@tatacommunications.com'

inetnum:        151.237.11.0 - 151.237.15.255
netname:        CA-TATACOMM-20120816
country:        EU
geofeed:        https://lg.as6453.net/geo/geofeed.csv
org:            ORG-TIC1-RIPE
admin-c:        MP24860-RIPE
tech-c:         IA1570-RIPE
status:         ALLOCATED PA
mnt-by:         TELEGLOBE-MNT
mnt-by:         RIPE-NCC-HM-MNT
created:        2023-11-07T12:15:33Z
last-modified:  2025-01-09T13:02:15Z
source:         RIPE

organisation:   ORG-TIC1-RIPE
org-name:       TATA Communications (Canada) Ltd.
country:        CA
org-type:       LIR
address:        1441 rue Carrie-Derick
address:        H3C 6W2
address:        Montreal Quebec
address:        CANADA
phone:          +15148687313
phone:          +91 20 66144444
admin-c:        MP24860-RIPE
mnt-ref:        AS8297-MNT
mnt-ref:        TELEGLOBE-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         TELEGLOBE-MNT
tech-c:         IA1570-RIPE
tech-c:         IA1570-RIPE
tech-c:         IA1570-RIPE
abuse-c:        AH8738-RIPE
created:        2004-04-17T11:19:14Z
last-modified:  2024-12-06T12:02:56Z
source:         RIPE # Filtered

person:         IP Admin
address:        Tata Communications Ltd.
address:        Global Customer Service Centre
address:        Alandi Road, Dighi,
fax-no:         +91- 22-66502039
fax-no:         +91- 22-66592305
phone:          +91- 22-66591637
nic-hdl:        IA1570-RIPE
created:        2009-03-18T10:56:50Z
last-modified:  2017-10-30T22:05:05Z
source:         RIPE # Filtered
mnt-by:         AS8297-MNT

person:         Yogendra Naik
address:        Tata Communications Ltd.'G' Block, BKC, Vidyanagari Post office, Mumbai,India
phone:          +91 22 66591637
nic-hdl:        MP24860-RIPE
mnt-by:         AS8297-MNT
created:        2013-04-04T06:31:27Z
last-modified:  2023-10-30T14:03:02Z
source:         RIPE # Filtered

% Information related to '151.237.12.0/24AS28944'

route:          151.237.12.0/24
origin:         AS28944
mnt-by:         TELEGLOBE-MNT
created:        2023-11-21T13:07:18Z
last-modified:  2023-11-21T13:07:18Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.120 (ABERDEEN)