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

% [whois.apnic.net]
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% Information related to '122.174.0.0 - 122.174.255.255'

% Abuse contact for '122.174.0.0 - 122.174.255.255' is 'dsltac2north.unoc@airtel.com'

inetnum:        122.174.0.0 - 122.174.255.255
netname:        ABTS-TN-DSL-122884-chn
descr:          ABTS Tamilnadu,
descr:          Access Business Group,DSL Services 101,
descr:          Santhome High Road,
descr:          Chennai
descr:          Tamilnadu
descr:          India
descr:          Contact Person: K R Narasimhan
descr:          Email: dsl.noctn@airtel.com
descr:          Phone:044-42100479
descr:          Date of allocation:17-jul-08
country:        IN
admin-c:        TN174-AP
tech-c:         TN174-AP
abuse-c:        AB914-AP
status:         ASSIGNED NON-PORTABLE
mnt-by:         MAINT-IN-TELEMEDIA
mnt-irt:        IRT-BHARTI-TELEMEDIA-IN
last-modified:  2021-03-31T13:02:46Z
source:         APNIC

irt:            IRT-BHARTI-TELEMEDIA-IN
address:        Bharti Airtel Ltd.
e-mail:         shankar.B@airtel.com
abuse-mailbox:  dsltac2north.unoc@airtel.com
admin-c:        NS282-AP
tech-c:         NS282-AP
auth:           # Filtered
remarks:        shankar.b@airtel.com is invalid
remarks:        dsltac2north.unoc@airtel.com is invalid
mnt-by:         MAINT-IN-TELEMEDIA
last-modified:  2025-04-16T13:05:50Z
source:         APNIC

role:           ABUSE BHARTITELEMEDIAIN
country:        ZZ
address:        Bharti Airtel Ltd.
phone:          +000000000
e-mail:         shankar.B@airtel.com
admin-c:        NS282-AP
tech-c:         NS282-AP
nic-hdl:        AB914-AP
remarks:        Generated from irt object IRT-BHARTI-TELEMEDIA-IN
remarks:        shankar.b@airtel.com is invalid
remarks:        dsltac2north.unoc@airtel.com is invalid
abuse-mailbox:  dsltac2north.unoc@airtel.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-04-16T13:06:31Z
source:         APNIC

person:         Network Administrator for ABTS TN
address:        ABTS Tamilnadu
address:        101,Santhome High Road,Chennai,Tamilnadu
country:        IN
phone:          +91-44-42100479
e-mail:         dsl.noctn@in.airtel.com
nic-hdl:        TN174-AP
remarks:        -----------------------------
remarks:        Send abuse reports to
remarks:        dsl.noctn@in.airtel.com
remarks:        -----------------------------
mnt-by:         MAINT-IN-TELEMEDIA
last-modified:  2013-05-28T07:11:53Z
source:         APNIC

% Information related to '122.174.0.0/17AS9498'

route:          122.174.0.0/17
descr:          ABTS-TN-DSL-CHN
descr:          ABTS Tamilnadu
descr:          DSL Services 101,
descr:          Santhome High Road,
descr:          Chennai, Tamilnadu
descr:          INDIA
country:        IN
origin:         AS9498
mnt-by:         MAINT-IN-TELEMEDIA
last-modified:  2009-02-17T04:33:27Z
source:         APNIC

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