These entries are queried from radb.net using whois, you can try my project getting these.
:AS6366 route: 140.211.16.0/24 descr: Proxy route-object for Portland State University origin: AS6366 mnt-by: MAINT-AS3701 changed: rhicks [at] nero.net 20170120 #20:43:18Z source: RADB last-modified: 2023-11-13T15:50:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2610:10::/32 descr: Portland State Univerity origin: AS6366 notify: noc [at] pdx.edu mnt-by: MAINT-AS6366 changed: davburns [at] cat.pdx.edu 20100210 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2610:10::/32 descr: Proxy route-object for Portland State University origin: AS6366 mnt-by: MAINT-AS3701 changed: rhicks [at] nero.net 20160914 #17:00:48Z source: RADB last-modified: 2023-11-13T15:49:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source