These entries are queried from radb.net using whois, you can try my project getting these.
:AS42827 route: 91.193.168.0/22 descr: Izhora Telecom IP-Pool1 origin: AS42827 mnt-by: MNT-COMPLEXTELESYS mnt-by: KIS-SPB-MNT created: 2007-04-25T19:19:55Z last-modified: 2019-03-19T14:44:34Z 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: 91.201.48.0/22 descr: Izhora Telecom IP-Pool 2 origin: AS42827 mnt-by: MNT-COMPLEXTELESYS mnt-by: KIS-SPB-MNT created: 2007-11-23T07:26:56Z last-modified: 2019-03-19T14:46:34Z 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