These entries are queried from radb.net using whois, you can try my project getting these.
:AS25511 route: 91.103.196.0/22 descr: RCS-ROUTE4 origin: AS25511 mnt-by: RUSCENTROSVYAZ-MNT created: 2012-05-31T09:21:01Z last-modified: 2012-05-31T09:21:01Z 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: 185.108.0.0/22 descr: CJSC "Ruscentrosvyaz" origin: AS25511 mnt-by: NET21-MNT created: 2015-07-08T08:39:05Z last-modified: 2015-07-08T08:39:05Z 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: 217.12.240.0/20 descr: NET21-ROUTE origin: AS25511 notify: evg [at] net21.ru notify: lir [at] net21.ru mnt-by: NET21-MNT mnt-lower: NET21-MNT created: 2003-02-03T15:27:55Z last-modified: 2003-02-03T15:27:55Z 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: 2a05:ddc0::/29 descr: RCS-ROUTE ipv6 origin: AS25511 mnt-by: NET21-MNT created: 2015-03-03T11:52:42Z last-modified: 2015-03-03T11:52:42Z 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