These entries are queried from radb.net using whois, you can try my project getting these.
:AS203149 route: 46.175.250.0/23 descr: 16x origin: AS203149 mnt-by: ZP-16X-MNT mnt-by: STARINET-MNT created: 2016-04-06T12:57:22Z last-modified: 2016-04-06T12:57:22Z 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: 46.175.250.0/24 origin: AS203149 mnt-by: ZP-16X-MNT created: 2020-03-11T15:29:01Z last-modified: 2020-03-11T15:29:01Z 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 route: 46.175.251.0/24 origin: AS203149 mnt-by: ZP-16X-MNT created: 2020-03-11T15:30:56Z last-modified: 2020-03-11T15:30:56Z 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