These entries are queried from radb.net using whois, you can try my project getting these.
:AS51410 route: 91.217.137.0/24 origin: AS51410 mnt-by: MNT-MEGANET created: 2010-08-17T15:43:56Z last-modified: 2021-06-10T11:52:49Z 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: valid route6: 2001:67c:13e4::/48 origin: AS51410 mnt-by: MNT-MEGANET created: 2013-03-11T13:44:38Z last-modified: 2021-06-10T11:54:07Z 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: valid