These entries are queried from radb.net using whois, you can try my project getting these.
:AS51267 route: 109.248.50.0/24 origin: AS51267 mnt-by: PROSENIX-MNT created: 2023-11-13T08:51:09Z last-modified: 2023-11-13T08:51:09Z 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 route: 109.248.219.0/24 origin: AS51267 mnt-by: PROSENIX-MNT created: 2022-04-25T13:23:56Z last-modified: 2022-04-25T13:23:56Z 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