These entries are queried from radb.net using whois, you can try my project getting these.
:AS43265 route: 46.21.64.0/24 descr: RN-Telecom ISP origin: AS43265 mnt-by: MNT-RNTELECOM created: 2010-11-03T07:58:50Z last-modified: 2010-11-03T07:58:50Z 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: 46.21.65.0/24 descr: RN-Telecom ISP origin: AS43265 mnt-by: MNT-RNTELECOM created: 2011-04-12T09:38:00Z last-modified: 2011-04-12T09:38:00Z 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: 46.21.66.0/24 origin: AS43265 mnt-by: MNT-RNTELECOM created: 2021-12-06T16:52:15Z last-modified: 2021-12-06T16:53:04Z 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: 46.21.67.0/24 origin: AS43265 mnt-by: MNT-RNTELECOM created: 2021-12-06T16:59:13Z last-modified: 2021-12-06T16:59:13Z 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: not_found # No ROAs found, or RPKI validation not enabled for source