These entries are queried from radb.net using whois, you can try my project getting these.
:AS28731 route: 185.147.4.0/22 origin: AS28731 mnt-by: Intrabit_GmbH created: 2016-04-29T18:10:39Z last-modified: 2016-04-29T18:34:30Z source: RIPE descr: Intrabit GmbH, Juelich notify: domains [at] intrabit.de mnt-lower: Intrabit_GmbH mnt-routes: Intrabit_GmbH 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 route: 217.14.144.0/20 descr: Intrabit GmbH, Juelich origin: AS28731 mnt-by: Intrabit_GmbH created: 2003-05-30T11:15:23Z last-modified: 2022-03-27T09:14:54Z source: RIPE notify: domains [at] intrabit.de 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: valid