These entries are queried from radb.net using whois, you can try my project getting these.
:AS62384 route: 37.221.128.0/19 origin: AS62384 mnt-routes: RSAT1-MNT mnt-by: ua-protsykevych-1-mnt created: 2019-05-27T09:59:40Z last-modified: 2019-05-27T09:59:40Z 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: 37.221.128.0/20 origin: AS62384 mnt-by: RSAT1-MNT created: 2018-02-14T17:04:32Z last-modified: 2018-02-14T17:04:32Z 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: 37.221.144.0/20 origin: AS62384 mnt-by: RSAT1-MNT created: 2018-02-14T17:07:25Z last-modified: 2018-02-14T17:07:25Z 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