These entries are queried from radb.net using whois, you can try my project getting these.
:AS197964 route: 91.233.227.0/24 descr: Blum origin: AS197964 mnt-by: AS8437-MNT created: 2012-03-14T10:51:23Z last-modified: 2012-03-14T10:51:23Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 185.9.132.0/22 descr: BLUM origin: AS197964 mnt-by: JBLUM-MNT created: 2013-02-26T09:39:49Z last-modified: 2013-02-26T09:39:49Z 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: 185.9.132.0/23 origin: AS197964 mnt-by: JBLUM-MNT created: 2020-07-09T06:31:24Z last-modified: 2020-07-09T06:31:24Z 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:2610::/48 descr: Julius Blum GmbH origin: AS197964 mnt-by: AS8437-MNT created: 2012-04-02T07:32:09Z last-modified: 2012-04-02T07:32:09Z 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: 2a03:4c40::/32 descr: BLUM origin: AS197964 mnt-by: JBLUM-MNT created: 2013-03-05T14:27:42Z last-modified: 2013-03-05T14:27:42Z 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