% 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 '88.195.0.0 - 88.195.255.255'

% Abuse contact for '88.195.0.0 - 88.195.255.255' is 'abuse@telia.fi'

inetnum:        88.195.0.0 - 88.195.255.255
netname:        TELIA-FI-BB-NET
descr:          Telia Finland Oyj
country:        FI
admin-c:        TH6964-RIPE
tech-c:         SIH3-RIPE
status:         ASSIGNED PA
remarks:        INFRA-AW
mnt-by:         DATANET-NOC
mnt-irt:        IRT-Sonera_CSIRT
created:        2007-02-12T09:50:29Z
last-modified:  2025-04-09T10:08:15Z
source:         RIPE # Filtered

role:           Sonera Inet Hostmaster
address:        Telia Finland Oyj
address:        Hostmaster
address:        PL 106
address:        00051 TELIA
phone:          +358 2040 1
fax-no:         +358 2040 69100
remarks:        trouble:      Please send abuse and spam notifications to abuse@telia.fi
remarks:        trouble:      General information: http://www.telia.fi/
admin-c:        KE351-RIPE
tech-c:         HE740-RIPE
abuse-mailbox:  abuse@telia.fi
nic-hdl:        SIH3-RIPE
mnt-by:         DATANET-NOC
created:        2001-10-18T08:09:54Z
last-modified:  2023-08-16T10:39:33Z
source:         RIPE # Filtered

person:         Tuomas Hanninen
address:        Telia Finland Oyj
address:        Teollisuuskatu 15
address:        00051 TELIA
phone:          +358 2040 1
nic-hdl:        TH6964-RIPE
mnt-by:         DATANET-NOC
created:        2018-09-25T10:24:59Z
last-modified:  2018-09-25T10:24:59Z
source:         RIPE

% Information related to '88.192.0.0/14AS1759'

route:          88.192.0.0/14
descr:          DN-088192-BLOCK
descr:          Telia Finland Oyj
origin:         AS1759
remarks:        --------------------------------------------------------
remarks:        In case of spam & abuse, please try to contact
remarks:        1. abuse/contact address mentioned in the inetnum object
remarks:        or
remarks:        2. abuse@telia.fi
remarks:        --------------------------------------------------------
mnt-by:         DATANET-NOC
mnt-routes:     DATANET-NOC
created:        2010-09-17T14:43:25Z
last-modified:  2022-06-08T10:38:26Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.117 (BUSA)