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

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% Information related to '123.252.195.0 - 123.252.195.255'

% Abuse contact for '123.252.195.0 - 123.252.195.255' is 'ip.abuse@tatatel.co.in'

inetnum:        123.252.195.0 - 123.252.195.255
netname:        ISPCUST
descr:          IPS Pool
country:        IN
admin-c:        IO9-AP
tech-c:         IO9-AP
abuse-c:        AT1286-AP
status:         ALLOCATED NON-PORTABLE
mnt-by:         MAINT-IN-HTIL
mnt-irt:        IRT-TATATELE-IN
last-modified:  2021-03-03T13:14:36Z
source:         APNIC

irt:            IRT-TATATELE-IN
address:        D 26 TTC Industrial Area MIDC Sanpada Navi mumbai P.O Turbhe
address:        Pin 400703
address:        Turbhe Navi mumbai
e-mail:         ip.abuse@tatatel.co.in
abuse-mailbox:  ip.abuse@tatatel.co.in
admin-c:        HM20-AP
tech-c:         NO4-AP
auth:           # Filtered
remarks:        ip.abuse@tatatel.co.in was validated on 2025-08-21
mnt-by:         MAINT-IN-HTIL
last-modified:  2025-12-18T07:56:43Z
source:         APNIC

role:           ABUSE TATATELEIN
country:        ZZ
address:        D 26 TTC Industrial Area MIDC Sanpada Navi mumbai P.O Turbhe
address:        Pin 400703
address:        Turbhe Navi mumbai
phone:          +000000000
e-mail:         ip.abuse@tatatel.co.in
admin-c:        HM20-AP
tech-c:         NO4-AP
nic-hdl:        AT1286-AP
remarks:        Generated from irt object IRT-TATATELE-IN
remarks:        ip.abuse@tatatel.co.in was validated on 2025-08-21
abuse-mailbox:  ip.abuse@tatatel.co.in
mnt-by:         APNIC-ABUSE
last-modified:  2025-08-21T14:46:49Z
source:         APNIC

person:         ISP Operation
nic-hdl:        IO9-AP
e-mail:         Vikas.Mate@tatacommunications.com
address:        D 26 TTC Industrial Area MIDC Sanpada Navi mumbai P.O Turbhe
address:        Pin 400703
address:        Turbhe Navi mumbai
phone:          +91-22-67910367
fax-no:         +91-22-67917777
country:        IN
mnt-by:         MAINT-IN-HTIL
last-modified:  2018-03-20T09:32:06Z
source:         APNIC

% Information related to '123.252.195.0/24AS17762'

route:          123.252.195.0/24
origin:         AS17762
descr:          Tata Teleservices (Maharashtra) Ltd
                D-26, TTC Industrial Area
                MIDC, Sanpada
                P.O Turbhe
mnt-by:         MAINT-IN-HTIL
last-modified:  2021-04-09T08:32:37Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.36-SNAPSHOT (WHOIS-AU5)