These entries are queried from radb.net using whois, you can try my project getting these.
:AS209028 route: 2.57.228.0/24 origin: AS209028 mnt-by: mnt-il-octopuscs-1 created: 2023-03-16T20:21:04Z last-modified: 2023-03-16T20:21:04Z 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: 2.57.229.0/24 origin: AS209028 mnt-by: mnt-il-octopuscs-1 created: 2023-03-16T20:21:23Z last-modified: 2023-03-16T20:21:23Z 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: 2.57.230.0/24 origin: AS209028 mnt-by: mnt-il-octopuscs-1 created: 2023-03-16T20:21:44Z last-modified: 2023-03-16T20:21:44Z 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: 2.57.231.0/24 origin: AS209028 mnt-by: mnt-il-octopuscs-1 created: 2023-03-16T20:18:43Z last-modified: 2023-03-16T20:18:43Z 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