These entries are queried from radb.net using whois, you can try my project getting these.
:AS42972 route: 77.75.168.0/21 descr: CPCR-ROUTE-21-1 origin: AS42972 notify: zavyalov_gg [at] cpcr.ru notify: ignatov_yv [at] cpcr.ru mnt-by: CPCR-MNT created: 2007-05-16T15:17:56Z last-modified: 2007-05-16T15:17:56Z 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 route: 77.75.168.0/24 descr: CPCR-ROUTE-24-1 origin: AS42972 mnt-by: CPCR-MNT created: 2012-08-24T12:54:16Z last-modified: 2012-08-24T12:55:00Z 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: 91.209.80.0/24 origin: AS42972 mnt-by: CPCR-MNT created: 2018-04-12T13:28:19Z last-modified: 2018-04-12T13:28:19Z 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