These entries are queried from radb.net using whois, you can try my project getting these.
:AS50321 route: 88.151.192.0/24 origin: AS50321 descr: AS50321 mnt-by: AZERONLINE-MNT created: 2024-03-20T08:37:18Z last-modified: 2024-03-20T08:37:18Z 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: 91.238.104.0/23 descr: BYTES-UA-DC LLC origin: AS50321 mnt-by: REZNICHENKO-MNT created: 2012-04-27T11:27:15Z last-modified: 2012-04-27T11:27:15Z 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: 193.169.194.0/23 origin: AS50321 mnt-by: CLOUDHOSTING-MNT created: 2021-04-07T17:13:48Z last-modified: 2021-04-07T17:13:48Z 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: 194.150.220.0/23 origin: AS50321 mnt-by: AS12890-MNT mnt-by: PMV created: 2023-06-03T04:31:53Z last-modified: 2023-06-03T04:31:53Z 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 route6: 2001:67c:1528::/48 origin: AS50321 mnt-by: REZNICHENKO-MNT created: 2022-08-04T15:07:59Z last-modified: 2022-08-04T15:07:59Z 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 route6: 2a05:541:128::/48 origin: AS50321 mnt-by: INETTECH-MNT created: 2023-05-20T07:27:22Z last-modified: 2023-05-20T07:27:22Z 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: 2a05:541:130::/48 origin: AS50321 mnt-by: INETTECH-MNT created: 2023-07-07T09:06:33Z last-modified: 2023-07-07T09:06:33Z 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