These entries are queried from radb.net using whois, you can try my project getting these.
:AS46480 route: 172.81.9.0/24 origin: AS46480 descr: Pekin Insurance remarks: Proxy Object created by Stratus Networks 40948 mnt-by: MAINT-AS40948 changed: brussell [at] stratusnet.com 20210514 #20:41:43Z source: RADB last-modified: 2023-11-13T16:05:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source