These entries are queried from radb.net using whois, you can try my project getting these.
:AS44272 route: 87.252.229.0/24 descr: DELEGATED origin: AS44272 mnt-by: BYGIS-MNT created: 2015-02-11T17:33:22Z last-modified: 2015-02-11T17:33:22Z 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: 87.252.244.0/24 origin: AS44272 mnt-by: BYGIS-MNT created: 2017-12-21T10:51:18Z last-modified: 2017-12-21T10:51:18Z 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: 2a04:2e80:15::/48 origin: AS44272 mnt-by: BYGIS-MNT created: 2017-12-12T08:02:07Z last-modified: 2017-12-12T08:02:07Z 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