These entries are queried from radb.net using whois, you can try my project getting these.
:AS201138 route: 81.162.52.0/23 origin: AS201138 mnt-by: NETWORK-SUPPORT-MNT mnt-by: NETWORK-MANAGEMENT-MNT mnt-by: bureau-mnt created: 2023-01-26T13:07:56Z last-modified: 2023-07-15T18:48:01Z 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: 185.102.137.0/24 origin: AS201138 mnt-by: NETWORK-SUPPORT-MNT mnt-by: bureau-mnt created: 2023-02-16T09:22:43Z last-modified: 2023-07-11T07:42:28Z 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: 185.125.229.0/24 origin: AS201138 mnt-by: NETWORK-SUPPORT-MNT mnt-by: bureau-mnt created: 2023-01-23T08:03:55Z last-modified: 2023-07-11T07:42:41Z 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: 185.145.54.0/24 origin: AS201138 mnt-by: IP-RIPE created: 2023-02-21T18:23:37Z last-modified: 2023-02-21T18:23:37Z 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: 185.145.55.0/24 origin: AS201138 mnt-by: IP-RIPE created: 2023-02-21T18:23:37Z last-modified: 2023-02-21T18:23:37Z 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