These entries are queried from radb.net using whois, you can try my project getting these.
:AS49741 route: 91.215.244.0/22 descr: PRO-NET-REGION NET-1 origin: AS49741 mnt-by: MNT-PRO-NET-REGION created: 2009-09-03T06:43:41Z last-modified: 2009-09-03T06:43:41Z 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