These entries are queried from radb.net using whois, you can try my project getting these.
:AS44471 route: 44.16.8.0/24 descr: AS44471 AMPRnet origin: AS44471 mnt-by: TOMM-MNT changed: tom [at] tmenari.com 20200910 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:678:e00::/48 origin: AS44471 mnt-by: TOMM-MNT created: 2020-09-09T20:35:10Z last-modified: 2020-09-09T20:35:10Z 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: valid