% 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 'AS29572 - AS29613'

as-block:       AS29572 - AS29613
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2018-11-22T15:27:32Z
last-modified:  2018-11-22T15:27:32Z
source:         RIPE

% Information related to 'AS29600'

% Abuse contact for 'AS29600' is 'sakaru.dispecers@latvenergo.lv'

aut-num:        AS29600
as-name:        LATVENERGO-AS
descr:          Ventspils street 58, LV-1046
descr:          Riga, Latvia
org:            ORG-LA13-RIPE
remarks:        --- Upstreams ---
remarks:        ----- TET -----
descr:          APOLLO-AS to LATVENERGO-AS
import:         from AS12578 accept ANY
mp-import:      afi ipv6.unicast from AS12578 accept ANY
export:         to AS12578 announce AS-LATVENERGO
mp-export:      afi ipv6.unicast to AS12578 announce AS-LATVENERGO
remarks:        --- IXP's ---
remarks:        ----- SMILE-LV -----
descr:          SMILE to LATVENERGO-AS
import:         from AS39626 accept ANY
mp-import:      afi ipv6.unicast from AS39626 accept ANY
export:         to AS39626 announce AS-LATVENERGO
mp-export:      afi ipv6.unicast to AS39626 announce AS-LATVENERGO
remarks:        --- Customers ---
descr:          Unistar-AS to LATVENERGO-AS
import:         from AS28699 action pref=50; accept AS28699
export:         to AS28699 announce ANY
descr:          SPX to LATVENERGO-AS
import:         from AS42936 action pref=50; accept AS42936
export:         to AS42936 announce ANY
descr:          POST-LV-AS to LATVENERGO-AS
import:         from AS35373 accept AS35373
export:         to AS35373 announce ANY
remarks:        --- Peers ---
descr:          LIVAS-NET-AS to LATVENERGO-AS
import:         from AS34001 accept AS34001
export:         to AS34001 announce AS29600
descr:          LVBALTICOM-AS to LATVENERGO-AS
import:         from AS24651 accept AS24651
export:         to AS24651 announce AS29600
admin-c:        LT666
tech-c:         LT666
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         latvenergo-mnt
created:        2003-10-21T13:32:15Z
last-modified:  2023-04-25T08:17:55Z
source:         RIPE

organisation:   ORG-LA13-RIPE
org-name:       AS "Latvenergo"
country:        LV
org-type:       LIR
address:        Pulkveza Brieza str. 12
address:        LV-1230
address:        Riga
address:        LATVIA
phone:          +37167728659
fax-no:         +37167728908
admin-c:        AD4351-RIPE
admin-c:        GB1982
mnt-ref:        latvenergo-mnt
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         latvenergo-mnt
abuse-c:        lt666
created:        2004-04-17T11:38:09Z
last-modified:  2023-12-15T08:47:36Z
source:         RIPE # Filtered

role:           LT NOC
address:        Latvia, Riga, Pulkveza Brieza 12
phone:          +37167728333
abuse-mailbox:  sakaru.dispecers@latvenergo.lv
mnt-by:         le-noc-mnt
admin-c:        GB1982
tech-c:         EB1986
nic-hdl:        LT666
created:        2006-03-06T08:18:10Z
last-modified:  2011-10-20T13:16:54Z
source:         RIPE # Filtered

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