These entries are queried from radb.net using whois, you can try my project getting these.
:AS54274 route: 74.4.31.0/24 descr: Henny Penny Corporation origin: AS54274 mnt-by: MAINT-AS54274 changed: bwarner [at] hennypenny.com 20160816 #00:58:47Z source: RADB last-modified: 2023-11-13T15:49:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source