These entries are queried from radb.net using whois, you can try my project getting these.
:AS197798 route: 31.192.64.0/19 descr: Net-Connect s.r.o. origin: AS197798 mnt-by: MNT-NETCONNECT created: 2011-05-16T07:12:15Z last-modified: 2011-05-16T07:12:15Z 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: 45.129.156.0/22 origin: AS197798 mnt-by: MNT-NETCONNECT created: 2020-02-26T09:47:10Z last-modified: 2020-02-26T09:47:10Z 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: 2a06:28c0::/29 origin: AS197798 mnt-by: MNT-NETCONNECT created: 2017-03-09T11:27:42Z last-modified: 2017-03-09T11:27:42Z 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