% 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 '14.139.249.128 - 14.139.249.143'

% Abuse contact for '14.139.249.128 - 14.139.249.143' is 'abuseteam@nkn.in'

inetnum:        14.139.249.128 - 14.139.249.143
netname:        NKN-IIM-UK
descr:          Indian Institute of Management, Kashipur, UK
country:        IN
admin-c:        NNA22-AP
tech-c:         SPS41-AP
abuse-c:        AN2552-AP
status:         ASSIGNED NON-PORTABLE
mnt-by:         MAINT-RSMANI-NKN-IN
mnt-irt:        IRT-NKN-IIM-UK
last-modified:  2021-02-03T13:51:20Z
source:         APNIC

irt:            IRT-NKN-IIM-UK
address:        Indian Institute of Management, KashipurKundeshwari
address:        KashipurDistrict- Udham Singh Nagar
address:        Uttarakhand
address:        IN
e-mail:         support.uk@nkn.in
abuse-mailbox:  abuseteam@nkn.in
admin-c:        NNA22-AP
tech-c:         SPS41-AP
auth:           # Filtered
remarks:        abuseteam@nkn.in was validated on 2025-07-22
remarks:        support.uk@nkn.in was validated on 2025-11-21
mnt-by:         MAINT-RSMANI-NKN-IN
last-modified:  2025-11-21T12:18:34Z
source:         APNIC

role:           ABUSE NKNIIMUK
country:        ZZ
address:        Indian Institute of Management, KashipurKundeshwari
address:        KashipurDistrict- Udham Singh Nagar
address:        Uttarakhand
address:        IN
phone:          +000000000
e-mail:         support.uk@nkn.in
admin-c:        NNA22-AP
tech-c:         SPS41-AP
nic-hdl:        AN2552-AP
remarks:        Generated from irt object IRT-NKN-IIM-UK
remarks:        abuseteam@nkn.in was validated on 2025-07-22
remarks:        support.uk@nkn.in was validated on 2025-11-21
abuse-mailbox:  abuseteam@nkn.in
mnt-by:         APNIC-ABUSE
last-modified:  2025-11-21T12:19:18Z
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:        DC2904-AP
tech-c:         GK397-AP
nic-hdl:        NNA22-AP
abuse-mailbox:  abuseteam@nkn.in
mnt-by:         MAINT-RSMANI-NKN-IN
last-modified:  2024-11-22T06:11:27Z
source:         APNIC

person:         Shri Prakash Singh
address:        Indian Institute of Management KashipurKundeshwari, KashipurDistrict- Udham Singh Nagar, Uttarakhand
country:        IN
phone:          +919012343392
e-mail:         itdept@iimkashipur.ac.in
nic-hdl:        SPS41-AP
mnt-by:         MAINT-RSMANI-NKN-IN
last-modified:  2019-07-24T05:30:08Z
source:         APNIC

% Information related to '14.139.249.0/24AS55824'

route:          14.139.249.0/24
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:  2019-01-10T11:54:15Z
source:         APNIC

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