These entries are queried from radb.net using whois, you can try my project getting these.
:AS399249 route: 208.52.172.0/23 origin: AS399249 descr: Proxy for Alabama One route admin-c: WABIK-ARIN tech-c: BBELLI86-ARIN notify: bob.bellinger [at] dcblox.com mnt-by: MAINT-AS395567 changed: bob.bellinger [at] dcblox.com 20210317 #16:01:42Z source: RADB last-modified: 2023-11-13T16:05:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.52.173.0/24 origin: AS399249 descr: Proxy for Alabama One admin-c: WABIK-ARIN tech-c: BBELLI86-ARIN notify: bob.bellinger [at] dcblox.com mnt-by: MAINT-AS395567 changed: bob.bellinger [at] dcblox.com 20210324 #14:40:23Z source: RADB last-modified: 2023-11-13T16:05:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source