These entries are queried from radb.net using whois, you can try my project getting these.
:AS23041 route: 198.137.161.0/24 origin: AS23041 descr: 101 Community College Way Johnstown PA 15904 United States admin-c: HOFFM204-ARIN tech-c: HOFFM204-ARIN tech-c: SWART89-ARIN mnt-by: MNT-PHCC-4 created: 2022-03-27T02:08:41Z last-modified: 2023-03-14T14:04:04Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source