% 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 '91.97.0.0 - 91.97.127.255'

% Abuse contact for '91.97.0.0 - 91.97.127.255' is 'abuse@ewetel.de'

inetnum:        91.97.0.0 - 91.97.127.255
netname:        EWETEL-DYNDSL-POOL13
descr:          EWE-TEL
country:        DE
admin-c:        ETH1-RIPE
tech-c:         ETH1-RIPE
status:         ASSIGNED PA
remarks:        ***********   Beschwerde Kontakt   ***********
remarks:        *          --> abuse@ewetel.de <--           *
remarks:        *  in Faellen von unerwuenschten Zugriffs-   *
remarks:        * versuchen, Attacken, illegaler Aktivitaet, *
remarks:        * Gewalt, Scans, unerwuenschten Mails, etc.  *
remarks:        **********************************************
remarks:        *************   Abuse contact:  **************
remarks:        *          --> abuse@ewetel.de <--           *
remarks:        * in case of hack attacks, illegal activity, *
remarks:        *   violation, scans, probes, spam, etc.     *
remarks:        **********************************************
remarks:        NCC#2007050956
mnt-by:         EWETEL-MNT
mnt-lower:      EWETEL-MNT
mnt-routes:     EWETEL-MNT
created:        2007-05-10T05:49:45Z
last-modified:  2009-10-07T19:44:21Z
source:         RIPE

role:           EWE TEL Hostmaster
abuse-mailbox:  abuse@ewetel.de
address:        EWE TEL GmbH
address:        Cloppenburger Strasse 310
address:        D-26133 Oldenburg
address:        Germany
phone:          +49 441 8000 0
fax-no:         +49 441 8000 2799
remarks:        trouble: abuse@ewetel.de
admin-c:        GERD1-RIPE
admin-c:        NOBY-RIPE
admin-c:        MM6401-RIPE
admin-c:        DW5948-RIPE
admin-c:        SB6944-RIPE
tech-c:         GERD1-RIPE
tech-c:         MM6401-RIPE
tech-c:         DW5948-RIPE
tech-c:         NOBY-RIPE
tech-c:         SB6944-RIPE
nic-hdl:        ETH1-RIPE
mnt-by:         EWETEL-MNT
created:        2002-05-27T08:10:59Z
last-modified:  2023-09-14T10:11:25Z
source:         RIPE # Filtered

% Information related to '91.96.0.0/15AS9145'

route:          91.96.0.0/15
descr:          DE-EWETEL-20060830
origin:         AS9145
mnt-by:         EWETEL-MNT
created:        2006-08-31T05:45:21Z
last-modified:  2006-08-31T05:45:21Z
source:         RIPE

% 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