These entries are queried from radb.net using whois, you can try my project getting these.
:AS54099 route: 198.217.16.0/24 origin: AS54099 descr: Proxy registration eBGP Customer City of Savannah admin-c: YOUNG73-ARIN mnt-by: MAINT-AS40702 changed: troy.young [at] clearwavefiber.com 20230124 #18:00:23Z source: RADB last-modified: 2023-11-13T16:13:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.217.18.0/24 origin: AS54099 descr: Proxy registration eBGP Customer City of Savannah admin-c: YOUNG73-ARIN mnt-by: MAINT-AS40702 changed: troy.young [at] clearwavefiber.com 20230124 #17:59:35Z source: RADB last-modified: 2023-11-13T16:13:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source