These entries are queried from radb.net using whois, you can try my project getting these.
:AS47752 route: 91.204.236.0/22 descr: SKS LLC & clients network origin: AS47752 mnt-by: SKS-UZ-MNT created: 2008-09-08T11:34:04Z last-modified: 2008-09-08T11:34:04Z 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: 178.216.128.0/21 descr: SKS LLC clients net 2 origin: AS47752 mnt-by: SKS-UZ-MNT created: 2010-04-20T13:49:11Z last-modified: 2010-04-20T13:49:11Z 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: 178.216.131.0/24 descr: sks llc clients net-2 morespec origin: AS47752 mnt-by: SKS-UZ-MNT created: 2023-01-24T15:51:23Z last-modified: 2023-01-24T15:51:23Z 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: 2001:678:c3c::/48 origin: AS47752 mnt-by: SKS-UZ-MNT created: 2021-02-10T06:06:16Z last-modified: 2021-02-10T06:06:16Z 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