These entries are queried from radb.net using whois, you can try my project getting these.
:AS51523 route: 194.190.158.0/23 descr: "Gymnasium Perspektiva" of the city district of Samara origin: AS51523 mnt-by: ROSNIIROS-MNT created: 2012-04-02T07:14:10Z last-modified: 2022-12-05T09:18:36Z 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 route6: 2001:67c:430::/48 descr: "Gymnasium Perspektiva" of the city district of Samara origin: AS51523 mnt-by: ROSNIIROS-MNT mnt-by: GYMN-PERSPEKTIVA-NOC created: 2014-02-28T08:36:05Z last-modified: 2022-12-05T09:19:48Z 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