These entries are queried from radb.net using whois, you can try my project getting these.
:AS399669 route: 70.34.151.0/24 origin: AS399669 descr: Proxy Route for 70.34.151.0/24 geoidx: US geoidx: US-IN geoidx: Goshen, IN mnt-by: MAINT-AS22631 changed: tchesna [at] surfbroadband.com 20230724 #13:06:12Z source: RADB last-modified: 2023-11-13T16:17:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source