These entries are queried from radb.net using whois, you can try my project getting these.
:AS210477 route: 146.19.17.0/24 origin: AS210477 mnt-by: lir-gr-supervoice-1-MNT mnt-by: SUPERVOICE-MNT mnt-by: SUPERVOICE-PUBLIC-MNT created: 2021-12-16T10:26:51Z last-modified: 2021-12-16T10:26:51Z 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 route: 185.18.151.0/24 origin: AS210477 mnt-by: lir-gr-supervoice-1-MNT mnt-by: SUPERVOICE-PUBLIC-MNT mnt-by: SUPERVOICE-MNT created: 2023-04-28T16:45:44Z last-modified: 2023-04-28T16:46:02Z 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: 185.216.191.0/24 origin: AS210477 mnt-by: lir-gr-supervoice-1-MNT mnt-by: SUPERVOICE-MNT mnt-by: SUPERVOICE-PUBLIC-MNT created: 2023-04-17T16:37:52Z last-modified: 2023-04-17T16:38:20Z 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: 2a12:b500::/32 origin: AS210477 mnt-by: lir-gr-supervoice-1-MNT mnt-by: SUPERVOICE-MNT mnt-by: SUPERVOICE-PUBLIC-MNT created: 2021-12-26T17:18:37Z last-modified: 2021-12-26T17:18:37Z source: RIPE descr: LHDC Supervoice IPv6 Subnet 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