These entries are queried from radb.net using whois, you can try my project getting these.
:AS13952 route: 162.249.86.0/24 descr: New College Institute-Martinsville, VA origin: AS13952 mnt-by: MAINT-AS22299 changed: gcr [at] gcrcompany.com 20170327 #01:10:33Z source: RADB last-modified: 2023-11-13T15:50:56Z rpki-ov-state: valid