These entries are queried from radb.net using whois, you can try my project getting these.
:AS35413 route: 91.195.180.0/23 descr: SC SL Networks SRL origin: AS35413 mnt-by: SILVERNET-MNT created: 2007-10-05T02:16:36Z last-modified: 2007-10-05T02:16:36Z 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: 91.195.180.0/24 descr: SC SL Networks SRL origin: AS35413 mnt-by: SILVERNET-MNT created: 2013-06-30T19:55:18Z last-modified: 2013-06-30T19:55:18Z 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 route: 91.195.181.0/24 descr: SC SL Networks SRL origin: AS35413 mnt-by: SILVERNET-MNT created: 2013-06-30T19:57:14Z last-modified: 2013-06-30T19:57:14Z 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 route: 193.239.252.0/23 descr: SC SL Networks SRL origin: AS35413 mnt-by: SILVERNET-MNT created: 2005-08-04T08:42:23Z last-modified: 2005-08-04T08:42:23Z 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 route: 193.239.252.0/24 origin: AS35413 mnt-by: SILVERNET-MNT created: 2023-08-30T19:29:33Z last-modified: 2023-08-30T19:29:33Z 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 route: 193.239.253.0/24 origin: AS35413 mnt-by: SILVERNET-MNT created: 2023-08-30T19:10:17Z last-modified: 2023-08-30T19:10:17Z 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