These entries are queried from radb.net using whois, you can try my project getting these.
:AS20688 route: 91.184.252.0/24 descr: Chudo Telecom Ltd. origin: AS20688 mnt-by: NA-MNT created: 2020-09-10T23:40:50Z last-modified: 2020-09-10T23:40:50Z 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: 93.171.143.0/24 origin: AS20688 mnt-by: MNT-CHUDO-TELECOM mnt-by: RIPE-DB-MNT created: 2015-08-27T17:21:50Z last-modified: 2021-07-02T12:06:50Z 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: 93.171.184.0/24 origin: AS20688 mnt-by: MNT-CHUDO-TELECOM mnt-by: RIPE-DB-MNT created: 2021-07-02T12:13:13Z last-modified: 2021-07-02T12:13:13Z 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: 146.120.0.0/21 origin: AS20688 mnt-by: RIPE-DB-MNT created: 2023-12-11T14:48:23Z last-modified: 2023-12-11T14:48:23Z 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: 146.120.116.0/22 origin: AS20688 mnt-by: MNT-CHUDO-TELECOM mnt-by: RIPE-DB-MNT created: 2017-11-24T13:07:47Z last-modified: 2020-01-24T15:02:03Z 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