% 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 '109.123.128.0 - 109.123.159.255'

% Abuse contact for '109.123.128.0 - 109.123.159.255' is 'noc-ripe@cc.tpu.ru'

inetnum:        109.123.128.0 - 109.123.159.255
netname:        TPUNET
descr:          Tomsk Polytechnic University
country:        RU
remarks:        INFRA-AW
admin-c:        AST36-RIPE
tech-c:         SSA7-RIPE
tech-c:         AST36-RIPE
status:         ASSIGNED PA
mnt-by:         TPU-MNT
mnt-lower:      TPU-MNT
created:        2009-10-13T11:02:19Z
last-modified:  2014-01-27T11:39:20Z
source:         RIPE # Filtered

person:         Alexey S Tomashevskiy
address:        84 Sovetskaja st.
address:        Tomsk
address:        Russia
phone:          +7 3822 701830
fax-no:         +7 3822 701830
nic-hdl:        AST36-RIPE
created:        2007-07-21T08:42:28Z
last-modified:  2014-03-03T09:55:02Z
source:         RIPE # Filtered
mnt-by:         FOLK-MNT

person:         Sergey A Sysoev
address:        84 Sovetskaya Street
address:        Tomsk, Russia
phone:          +7 3822 701830
phone:          +7 3822 504763
fax-no:         +7 3822 701830
nic-hdl:        SSA7-RIPE
mnt-by:         SSA7-MNT
created:        2002-07-04T10:16:43Z
last-modified:  2011-11-29T12:01:15Z
source:         RIPE # Filtered

% Information related to '109.123.128.0/19AS5567'

route:          109.123.128.0/19
descr:          Tomsk Polytechnic University
origin:         AS5567
mnt-by:         TPU-MNT
created:        2011-02-10T11:00:16Z
last-modified:  2011-02-10T11:00:16Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.114 (SHETLAND)

Search for
IP address lookups			Miscellaneous queries
-l	1st level less specific		-i	Inverse attributes	None admin-c admin-c,tech-c,zone-c author cross-mnt cross-nfy local-as mbrs-by-ref member-of mnt-by mnt-lower mnt-nfy mnt-routes notify nserver origin person referral-by rev-srv sub-dom tech-c upd-to zone-c
-L	All less specific		-T	Object types	All as-block as-set aut-num domain filter-set inet-rtr inet6num inetnum irt key-cert mntner peering-set person role route route-set rtr-set
-m	1st level more specific
-M	All more specific		Query hints Include "AS" in front of an AS number. Example: AS4808 Include "-t" (template only) or "-v" (template and description) in front of an object name to view the template Example: -t inetnum
-x	Exact match only
-d	Associated reverse domain