These entries are queried from radb.net using whois, you can try my project getting these.
:AS56687 route: 45.81.16.0/22 origin: AS56687 descr: HeatNet mnt-by: MAINT-AS36352 changed: internal [at] velocity-servers.net 20200218 #20:49:26Z source: RADB last-modified: 2023-11-13T15:59:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 190.93.93.0/24 origin: AS56687 mnt-by: MAINT-AS834 descr: autogen changed: support [at] ipxo.com 20230730 source: radb last-modified: 2023-11-13T16:17:50Z rpki-ov-state: valid route: 190.93.93.0/24 descr: LACNIC generated route for GREENDOT origin: AS56687 remarks: LACNIC generated route for GREENDOT remarks: maxLength 24 mnt-by: MNT-TT-GREE-LACNIC changed: 20240305 source: LACNIC remarks: *************************************************** remarks: This object may have been modified remarks: For more information, please query whois.lacnic.net remarks: *************************************************** last-modified: 2024-03-05T22:15:06Z rpki-ov-state: valid route6: 2a05:2580::/29 origin: AS56687 mnt-by: wcd created: 2022-09-15T13:00:12Z last-modified: 2022-09-15T13:00:12Z 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: 2a13:5ac0:2::/48 origin: AS56687 mnt-by: lir-ir-webdadehpaydar-1-MNT mnt-by: webdade-mnt created: 2023-01-30T10:34:52Z last-modified: 2023-01-30T10:34:52Z 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: 2a13:d000::/29 origin: AS56687 mnt-by: wcd created: 2023-01-25T17:33:04Z last-modified: 2023-01-25T17:33:04Z 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: valid