These entries are queried from radb.net using whois, you can try my project getting these.
:AS36218 route: 192.228.108.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS36218 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.250.237.0/24 origin: AS36218 mnt-by: lir-uk-whgi-1-MNT created: 2023-11-23T13:27:25Z last-modified: 2023-11-23T13:27:25Z 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: 192.250.238.0/24 origin: AS36218 mnt-by: lir-uk-whgi-1-MNT created: 2023-11-23T13:27:44Z last-modified: 2023-11-23T13:27:44Z 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: 199.103.56.0/23 origin: AS36218 mnt-by: lir-uk-whgi-1-MNT created: 2023-06-15T09:13:23Z last-modified: 2023-06-15T09:13:23Z 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: valid route: 199.103.59.0/24 origin: AS36218 mnt-by: lir-uk-whgi-1-MNT created: 2023-06-15T09:13:40Z last-modified: 2023-06-15T09:13:40Z 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: 199.103.60.0/22 origin: AS36218 mnt-by: lir-uk-whgi-1-MNT created: 2023-06-15T09:14:00Z last-modified: 2023-06-15T09:14:00Z 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: 208.69.56.0/22 origin: AS36218 mnt-by: lir-uk-whgi-1-MNT created: 2023-06-15T09:14:18Z last-modified: 2023-06-15T09:14:18Z 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: 208.88.4.0/22 origin: AS36218 mnt-by: lir-uk-whgi-1-MNT created: 2023-06-15T09:14:33Z last-modified: 2023-06-15T09:14:33Z 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