These entries are queried from radb.net using whois, you can try my project getting these.
:AS14262 route: 160.32.254.0/24 descr: Calumet County origin: AS14262 mnt-by: MAINT-WISCNET changed: joshg [at] wiscnet.net 20180618 #14:50:56Z source: RADB last-modified: 2023-11-13T15:53:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source