% 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://apps.db.ripe.net/docs/HTML-Terms-And-Conditions

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to '143.97.0.0 - 143.97.255.255'

% Abuse contact for '143.97.0.0 - 143.97.255.255' is 'abuse@equinor.com'

inetnum:        143.97.0.0 - 143.97.255.255
netname:        EQUINOR
descr:          Equinor ASA
status:         LEGACY
remarks:        Equinor DATA,Stavanger
country:        NO
org:            ORG-SNA12-RIPE
admin-c:        EH2827-RIPE
tech-c:         JKF8-RIPE
tech-c:         DRI4-RIPE
mnt-irt:        IRT-STATOIL-CSIRT
mnt-by:         TELE1-NO-MNT
mnt-by:         AS3292-MNT
mnt-routes:     AS3292-MNT
mnt-routes:     TAMPNET-MNT
mnt-domains:    AS3292-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2021-02-16T11:15:54Z
source:         RIPE

organisation:   ORG-SNA12-RIPE
org-name:       Equinor ASA
country:        NO
org-type:       OTHER
address:        Forusbeen 50
address:        N-4035 Stavanger
address:        NORWAY
abuse-c:        AR18377-RIPE
mnt-ref:        AS3292-MNT
mnt-ref:        TELE1-NO-MNT
mnt-by:         TELE1-NO-MNT
created:        2006-09-19T12:11:19Z
last-modified:  2022-12-01T16:52:44Z
source:         RIPE # Filtered

person:         DNS Registry INFR
address:        Equinor ASA
address:        Forusbeen 50
address:        N-4035 Stavanger
address:        Norway
phone:          +47 51 99 92 22
fax-no:         +47 51 99 00 50
org:            ORG-SNA12-RIPE
nic-hdl:        DRI4-RIPE
mnt-by:         TELE1-NO-MNT
created:        2009-12-22T12:59:35Z
last-modified:  2021-02-16T12:46:18Z
source:         RIPE # Filtered

person:         Elisabeth Haver
address:        Equinor ASA
address:        Forusbeen 50
address:        NO-4033 Stavanger
address:        Norway
phone:          +4751990000
org:            ORG-SNA12-RIPE
nic-hdl:        EH2827-RIPE
remarks:        abuse mail to abuse@equinor.com
mnt-by:         TELE1-NO-MNT
mnt-by:         AS3292-MNT
created:        2013-12-16T13:50:02Z
last-modified:  2021-02-16T11:56:30Z
source:         RIPE # Filtered

person:         Janne K. Frantzen
address:        Equinor ASA
address:        Forusbeen 50
address:        N-STAVANGER
address:        Norway
org:            ORG-SNA12-RIPE
phone:          +47 51990000
nic-hdl:        JKF8-RIPE
mnt-by:         TELE1-NO-MNT
created:        2014-01-03T15:19:22Z
last-modified:  2021-02-16T11:57:57Z
source:         RIPE # Filtered

% Information related to '143.97.0.0/16AS42175'

route:          143.97.0.0/16
descr:          EQUINOR
origin:         AS42175
mnt-by:         AS3292-MNT
mnt-by:         TELE1-NO-MNT
mnt-routes:     TAMPNET-MNT
created:        2011-01-06T13:00:01Z
last-modified:  2021-02-16T11:50:57Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.111 (BUSA)

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