These entries are queried from radb.net using whois, you can try my project getting these.
:AS200052 route: 185.21.216.0/22 descr: Feral Hosting origin: AS200052 mnt-by: mnt-uk-feralio-1 created: 2014-03-22T10:21:40Z last-modified: 2019-12-07T16:42:12Z 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: valid route: 193.28.252.0/23 origin: AS200052 mnt-by: mnt-uk-feralio-1 created: 2021-03-03T10:08:16Z last-modified: 2021-03-03T10:08:16Z 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: valid route: 193.29.6.0/23 origin: AS200052 mnt-by: mnt-uk-feralio-1 created: 2021-03-03T10:08:37Z last-modified: 2021-03-03T10:08:37Z 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: valid route6: 2a04:1980::/29 descr: Feral Hosting origin: AS200052 mnt-by: mnt-uk-feralio-1 created: 2014-01-27T14:44:24Z last-modified: 2019-12-07T16:40:01Z 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