These entries are queried from radb.net using whois, you can try my project getting these.
:AS198228 route: 46.253.9.0/24 descr: BTEL Route Object - PA origin: AS198228 mnt-by: BTEL-MNT created: 2011-12-02T14:33:14Z last-modified: 2012-03-22T18:30:13Z 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: 82.118.226.0/24 descr: Silistra Telecom Solutions Ltd. origin: AS198228 mnt-by: MNT-LIR-BG mnt-by: MNT-STSBG created: 2022-04-20T12:12:42Z last-modified: 2022-04-20T12:12:42Z 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: 87.121.34.0/23 descr: Silistra Telecom Solutions Ltd. origin: AS198228 mnt-by: MNT-STSBG created: 2013-08-09T22:02:46Z last-modified: 2013-08-09T22:02:46Z 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: 87.121.34.0/24 origin: AS198228 mnt-by: MNT-STSBG created: 2020-06-22T06:25:46Z last-modified: 2020-06-22T06:25:46Z 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: 87.121.35.0/24 origin: AS198228 mnt-by: MNT-STSBG created: 2020-06-22T06:26:02Z last-modified: 2020-06-22T06:26:02Z 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: 91.92.194.0/24 origin: AS198228 mnt-by: MNT-STSBG created: 2018-07-18T19:26:18Z last-modified: 2018-07-18T19:27:37Z 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: 94.156.3.0/24 origin: AS198228 mnt-by: MNT-STSBG created: 2021-02-05T10:11:46Z last-modified: 2021-02-05T10:11:46Z 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: 195.250.60.0/24 descr: Silistra Telecom Solutions Ltd. origin: AS198228 mnt-by: MNT-STSBG created: 2011-11-22T08:55:57Z last-modified: 2013-08-09T22:04:51Z 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: 2a00:1728:d::/48 origin: AS198228 mnt-by: MNT-NETERRA created: 2020-06-08T13:49:43Z last-modified: 2020-06-08T13:49:43Z 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: 2a00:1728:24::/48 origin: AS198228 mnt-by: MNT-NETERRA created: 2020-06-08T13:47:23Z last-modified: 2020-06-08T13:47:23Z 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