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

% [whois.apnic.net]
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% Information related to '14.139.186.160 - 14.139.186.175'

% Abuse contact for '14.139.186.160 - 14.139.186.175' is 'abuseteam@nkn.in'

inetnum:        14.139.186.160 - 14.139.186.175
netname:        NKN-MU-TN
descr:          MADRAS UNIVERSITY
country:        IN
admin-c:        NNA22-AP
tech-c:         SRV5-AP
abuse-c:        AN2647-AP
status:         ASSIGNED NON-PORTABLE
notify:         murugan15278@yahoo.co.in
mnt-by:         MAINT-RSMANI-NKN-IN
mnt-lower:      MAINT-NKN-IN
mnt-routes:     MAINT-RSMANI-NKN-IN
mnt-irt:        IRT-NKN-MU-TN
last-modified:  2021-02-03T13:53:09Z
source:         APNIC

irt:            IRT-NKN-MU-TN
address:        Mariamalai Valagam, Guindy Campus Network Operating Centre
address:        Guindy Chennai 600 025
address:        Tamil Nadu
address:        India
e-mail:         support.tn@nkn.in
abuse-mailbox:  abuseteam@nkn.in
admin-c:        NNA22-AP
tech-c:         SRV5-AP
auth:           # Filtered
remarks:        support.tn@nkn.in was validated on 2024-03-01
remarks:        abuseteam@nkn.in was validated on 2024-04-24
mnt-by:         MAINT-RSMANI-NKN-IN
last-modified:  2024-04-24T05:26:11Z
source:         APNIC

role:           ABUSE NKNMUTN
address:        Mariamalai Valagam, Guindy Campus Network Operating Centre
address:        Guindy Chennai 600 025
address:        Tamil Nadu
address:        India
country:        ZZ
phone:          +000000000
e-mail:         support.tn@nkn.in
admin-c:        NNA22-AP
tech-c:         SRV5-AP
nic-hdl:        AN2647-AP
remarks:        Generated from irt object IRT-NKN-MU-TN
remarks:        support.tn@nkn.in was validated on 2024-03-01
remarks:        abuseteam@nkn.in was validated on 2024-04-24
abuse-mailbox:  abuseteam@nkn.in
mnt-by:         APNIC-ABUSE
last-modified:  2024-04-24T05:52:18Z
source:         APNIC

role:           NKN - Network Administrator
address:        National Knowledge Network
address:        3rd Floor, Block III,
address:        Delhi IT Park, Shastri Park
address:        New Delhi - 110053
country:        IN
phone:          +91 - 1800111555
e-mail:         support@nkn.in
admin-c:        MR135-AP
tech-c:         GK397-AP
nic-hdl:        NNA22-AP
abuse-mailbox:  abuseteam@nkn.in
mnt-by:         MAINT-RSMANI-NKN-IN
last-modified:  2023-01-18T05:01:02Z
source:         APNIC

person:         Shri R Velmurugan
address:        University of Madras, Guindy Campus, Chennai 600025, Tamil Nadu, India
country:        IN
phone:          +91-9790869843
e-mail:         murugan15278@yahoo.co.in
nic-hdl:        SRV5-AP
mnt-by:         MAINT-RSMANI-NKN-IN
last-modified:  2016-10-10T08:02:16Z
source:         APNIC

% Information related to '14.139.186.0/24AS55824'

route:          14.139.186.0/24
origin:         AS55824
descr:          National Knowledge Network
                C/O National Informatics Centre
                Ministry Of Comm & IT  A-Block
                CGO Complex Lodhi Road
mnt-by:         MAINT-RSMANI-NKN-IN
last-modified:  2019-03-13T05:38:03Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.25 (WHOIS-AU2)

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