These entries are queried from radb.net using whois, you can try my project getting these.
:AS32501 route: 168.174.0.0/16 origin: AS32501 descr: 1010 East Tenth Street Building B Tucson AZ 85719 United States admin-c: NETWO7147-ARIN tech-c: NETWO7147-ARIN mnt-by: MNT-TUSD1-Z created: 2021-10-18T16:28:23Z last-modified: 2021-10-18T16:28:23Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source