These entries are queried from radb.net using whois, you can try my project getting these.
:AS205352 route: 87.246.50.0/24 descr: Cablenet Ruse origin: AS205352 mnt-by: GCN-LIR-MNT mnt-by: CableBulgaria mnt-by: GlobalComNet created: 2023-01-26T09:05:47Z last-modified: 2023-01-26T09:05:47Z 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: 87.246.51.0/24 descr: Cablenet Ruse origin: AS205352 mnt-by: GCN-LIR-MNT mnt-by: CableBulgaria mnt-by: GlobalComNet created: 2023-01-26T09:08:02Z last-modified: 2023-01-26T09:08:02Z 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: 87.246.52.0/23 descr: Cablenet Ruse origin: AS205352 mnt-by: GCN-LIR-MNT mnt-by: CableBulgaria mnt-by: GlobalComNet created: 2023-01-26T09:08:03Z last-modified: 2023-01-26T09:08:03Z 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 route: 87.246.54.0/23 descr: Cablenet Ruse origin: AS205352 mnt-by: GlobalComNet mnt-lower: GlobalComNet mnt-routes: GlobalComNet created: 2018-09-05T08:58:55Z last-modified: 2018-09-05T08:58:55Z 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: 87.246.56.0/22 descr: Cablenet Ruse origin: AS205352 mnt-by: GCN-LIR-MNT mnt-by: CableBulgaria mnt-by: GlobalComNet created: 2023-01-26T09:08:54Z last-modified: 2023-01-26T09:08:54Z 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: 109.160.92.0/22 descr: Cablenet Ruse origin: AS205352 mnt-by: GCN-LIR-MNT mnt-by: CableBulgaria mnt-by: GlobalComNet created: 2023-01-26T09:08:54Z last-modified: 2023-01-26T09:08:54Z 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: 109.160.96.0/23 descr: Cablenet Ruse origin: AS205352 mnt-by: GlobalComNet mnt-lower: GlobalComNet mnt-routes: GlobalComNet created: 2018-08-09T17:00:58Z last-modified: 2018-08-09T17:00:58Z 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: not_found # No ROAs found, or RPKI validation not enabled for source