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

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% The objects are in RPSL format.
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% Note: this output has been filtered.
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% Information related to '159.171.128.0 - 159.171.255.255'

% No abuse contact registered for 159.171.128.0 - 159.171.255.255

inetnum:        159.171.128.0 - 159.171.255.255
netname:        ARENKOM-NO
descr:          Arendal Kommune
descr:          P.O Box 38 4801 Arendal
country:        NO
admin-c:        POB11-RIPE
tech-c:         POB11-RIPE
admin-c:        OH300-RIPE
tech-c:         OH300-RIPE
tech-c:         TENO2-RIPE
status:         LEGACY
mnt-by:         TELE1-NO-MNT
created:        2024-01-31T07:02:08Z
last-modified:  2024-01-31T07:02:08Z
source:         RIPE

role:           Tele1 Europe Norways role Object
address:        TELIA Norge AS
address:        Postboks 4444 Nydalen
address:        NO-0403 Oslo
address:        Norway
phone:          +4721502100
admin-c:        DVS10-RIPE
tech-c:         DVS10-RIPE
nic-hdl:        TENO2-RIPE
remarks:        trouble: abuse@telia-isp.no
abuse-mailbox:  abuse@telia-isp.no
mnt-by:         TELE1-NO-MNT
created:        2002-04-24T12:12:12Z
last-modified:  2021-06-10T07:41:09Z
source:         RIPE # Filtered

person:         Oyvind Haugmoen
address:        Arendal Kommune
address:        Postboks 10
address:        4801 Arendal
address:        Norway
phone:          +47 37 01 30 00
fax-no:         +47 37 01 31 81
nic-hdl:        OH300-RIPE
mnt-by:         TELE1-NO-MNT
created:        2003-08-19T12:04:35Z
last-modified:  2003-08-19T12:04:35Z
source:         RIPE # Filtered

person:         Per O. Bendiksen
address:        Arendal Kommune, 4800 Arendal, Norway
address:        NO
phone:          +47 41 13 0 00
nic-hdl:        POB11-RIPE
mnt-by:         RIPE-ERX-MNT
created:        2003-10-03T11:57:07Z
last-modified:  2003-10-03T11:57:07Z
source:         RIPE

% Information related to '159.171.128.0/17AS25400'

route:          159.171.128.0/17
descr:          ARENKOM-NO
descr:          Telia Norge AS
origin:         AS25400
mnt-by:         GET-MNT
mnt-by:         TELE1-NO-MNT
created:        2024-02-15T11:55:21Z
last-modified:  2024-02-15T11:55:21Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.120 (SHETLAND)