These entries are queried from radb.net using whois, you can try my project getting these.
:AS201908 route: 194.50.89.0/24 descr: RST Software Masters descr: ul. Esperantystow 17 descr: Swidnica, Poland notify: noc [at] rst.com.pl origin: AS201908 mnt-by: RST-PL-MNT mnt-by: ATMAN-MNT created: 2016-07-01T12:00:17Z last-modified: 2018-04-30T16:13:54Z 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 route: 212.91.30.0/23 descr: RST origin: AS201908 mnt-by: ATMAN-MNT created: 2014-06-05T11:48:37Z last-modified: 2014-06-05T11:48:37Z 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