These entries are queried from radb.net using whois, you can try my project getting these.
:AS398543 route: 168.245.162.0/24 origin: AS398543 descr: Leased IP space from Twin Lakes Telephone to Carson Newman mnt-by: MAINT-AS19331 changed: jreagan [at] twinlakes.net 20200723 #14:54:15Z source: RADB last-modified: 2023-11-13T16:01:14Z rpki-ov-state: valid