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

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% The objects are in RPSL format.
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% Information related to '138.253.0.0 - 138.253.255.255'

% No abuse contact registered for 138.253.0.0 - 138.253.255.255

inetnum:        138.253.0.0 - 138.253.255.255
netname:        LIVERPOOL-LINR
descr:          University of Liverpool (NET-LIVNET)
status:         LEGACY
remarks:        Please report all abuse to abuse@liverpool.ac.uk
remarks:        and operational queries to network@liverpool.ac.uk
country:        GB
org:            ORG-ULIV1-RIPE
admin-c:        NT1097-RIPE
tech-c:         NT1097-RIPE
mnt-by:         JANET-HOSTMASTER
created:        1970-01-01T00:00:00Z
last-modified:  2019-12-04T13:01:56Z
source:         RIPE

organisation:   ORG-ULIV1-RIPE
org-name:       University of Liverpool
org-type:       OTHER
address:        Computing Services Department
address:        Brownlow Hill
address:        Liverpool
address:        L69 3BX
address:        United Kingdom
phone:          +44 151 794 3728
fax-no:         +44 151 794 3759
mnt-ref:        JANET-HOSTMASTER
mnt-by:         JANET-HOSTMASTER
created:        2015-07-31T09:45:42Z
last-modified:  2015-07-31T09:45:42Z
source:         RIPE # Filtered

role:           Network Team
address:        University of Liverpool
address:        Computing Services Department
address:        Brownlow Hill
address:        Liverpool
address:        L69 3BX
address:        United Kingdom
phone:          +44 151 794 3728
fax-no:         +44 151 794 3759
admin-c:        CW1591-RIPE
tech-c:         DD68-RIPE
nic-hdl:        NT1097-RIPE
abuse-mailbox:  abuse@liverpool.ac.uk
mnt-by:         JANET-HOSTMASTER
created:        2008-10-06T14:16:40Z
last-modified:  2008-10-10T15:31:00Z
source:         RIPE # Filtered

% Information related to '138.253.0.0/16AS786'

route:          138.253.0.0/16
descr:          University of Liverpool
descr:          Computing Services Department
descr:          Brownlow Hill
descr:          Liverpool
descr:          L69 3BX
descr:          UNITED KINGDOM
origin:         AS786
mnt-by:         JIPS-NOSC
created:        1970-01-01T00:00:00Z
last-modified:  2008-10-16T10:36:19Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.116 (SHETLAND)