These entries are queried from radb.net using whois, you can try my project getting these.
:AS51689 route: 64.184.175.0/24 descr: Proxy Registered Route origin: AS51689 remarks: XyTel Internet mnt-by: MAINT-AS16713 changed: wbiggs [at] noanet.net 20161230 #22:46:08Z source: RADB last-modified: 2023-11-13T15:50:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 91.220.48.0/24 descr: OMNIASIG VIENNA INSURANCE GROUP SA origin: AS51689 mnt-by: AS8953-MNT created: 2010-10-20T08:26:07Z last-modified: 2010-10-20T08:26:07Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:12c:c000::/44 descr: Proxy Registered Route origin: AS51689 remarks: XyTel Internet mnt-by: MAINT-AS16713 changed: wbiggs [at] noanet.net 20161230 #22:47:11Z source: RADB last-modified: 2023-11-13T15:50:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source