These entries are queried from radb.net using whois, you can try my project getting these.
:AS204875 route: 146.120.248.0/22 origin: AS204875 org: ORG-IUL7-RIPE descr: ISTEC UKRAINE LLC / Second IP-net mnt-by: ISTEC-MNT created: 2019-10-11T09:39:55Z last-modified: 2019-10-11T10:19:58Z 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: 185.200.60.0/24 origin: AS204875 mnt-by: PITLINE-MNT created: 2017-12-15T05:59:16Z last-modified: 2019-10-24T08:55:13Z 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 route6: 2001:470:23d::/48 origin: AS204875 descr: NET-2001-470-23d---48-AS204875 admin-c: ZH17-ARIN tech-c: ZH17-ARIN mnt-by: MNT-HURC source: ARIN created: 2023-12-07T02:45:15Z last-modified: 2023-12-07T02:45:15Z rpki-ov-state: valid route6: 2001:470:2a1::/48 origin: AS204875 descr: NET-2001-470-2a1---48-AS204875 admin-c: ZH17-ARIN tech-c: ZH17-ARIN mnt-by: MNT-HURC source: ARIN created: 2024-02-23T14:45:16Z last-modified: 2024-02-23T14:45:16Z rpki-ov-state: valid