These entries are queried from radb.net using whois, you can try my project getting these.
:AS394667 route: 52.129.34.0/23 descr: Added on behalf of customer origin: AS394667 mnt-by: MAINT-AS812 changed: ismaeldomaoan [at] rci.rogers.com 20160914 #18:51:28Z source: RADB last-modified: 2023-11-13T15:49:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 52.129.34.0/24 origin: AS394667 descr: Added on behalf of the customer mnt-by: MAINT-AS812 changed: daniel.magill [at] rci.rogers.com 20191015 #15:56:39Z source: RADB last-modified: 2023-11-13T15:58:32Z rpki-ov-state: valid route: 52.129.35.0/24 origin: AS394667 mnt-by: MNT-ESENT-1 source: ARIN tech-c: NETWO7570-ARIN admin-c: NETWO7570-ARIN created: 2020-10-22T00:44:09Z last-modified: 2020-10-22T00:50:21Z member-of: RS-ESENTIRE descr: MNT-ESENT-1 route 052.129.035.000/24 AS394667 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 52.129.35.0/24 origin: AS394667 descr: Added on behalf of the customer mnt-by: MAINT-AS812 changed: daniel.magill [at] rci.rogers.com 20191015 #15:51:57Z source: RADB last-modified: 2023-11-13T15:58:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source