% 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 '2003::/19'

% Abuse contact for '2003::/19' is 'abuse@telekom.de'

inet6num:       2003::/19
netname:        DE-TELEKOM-20050113
country:        DE
org:            ORG-DTA2-RIPE
admin-c:        DTAG-RIPE
tech-c:         DTAG-RIPE
status:         ALLOCATED-BY-RIR
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         DTAG-NIC
mnt-lower:      DTAG-NIC
mnt-routes:     DTAG-NIC
mnt-routes:     DTAG-RR
mnt-domains:    DTAG-NIC
mnt-domains:    DTAG-RR
created:        2007-07-18T11:48:53Z
last-modified:  2019-12-02T11:42:04Z
source:         RIPE # Filtered

organisation:   ORG-DTA2-RIPE
org-name:       Deutsche Telekom AG
country:        DE
org-type:       LIR
address:        Eduard-Schopf-Allee 1
address:        D-28217
address:        Bremen
address:        GERMANY
phone:          +4942151554041
phone:          +4942151555165
fax-no:         +49391580100379
fax-no:         +494412344589
admin-c:        DTAG-RIPE
admin-c:        SL7866-RIPE
admin-c:        EH4097-RIPE
admin-c:        SB15220-RIPE
abuse-c:        DTAG3-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        DTAG-NIC
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         DTAG-NIC
created:        2004-04-17T11:12:44Z
last-modified:  2024-07-09T12:21:12Z
source:         RIPE # Filtered

role:           Deutsche Telekom LIR Role Account
address:        Deutsche Telekom AG
address:        Internet Services
address:        Eduard-Schopf-Allee 1
address:        DE 28217 Bremen
address:        Germany
phone:          +49 421 5155 4041
fax-no:         +49 441 234 4589
admin-c:        SB15220-RIPE
admin-c:        DTAG1-RIPE
tech-c:         SB15220-RIPE
tech-c:         SL7866-RIPE
tech-c:         EH4097-RIPE
nic-hdl:        DTAG-RIPE
mnt-by:         DTAG-NIC
created:        2002-06-11T08:18:56Z
last-modified:  2022-06-22T12:19:08Z
source:         RIPE # Filtered

% Information related to '2003::/23AS3320'

route6:         2003::/23
descr:          DTAG European region optimized
origin:         AS3320
member-of:      AS3320:RS-PA-TELEKOM-REGIONALS
mnt-by:         DTAG-RR
created:        2014-02-20T18:06:20Z
last-modified:  2014-02-20T18:06:20Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.114 (ABERDEEN)

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