These entries are queried from radb.net using whois, you can try my project getting these.
:AS20455 route: 207.171.255.0/24 descr: Proxy Registration for NRTC origin: AS20455 mnt-by: MAINT-AS15085 changed: netops [at] immedion.com 20160129 #20:16:37Z source: RADB last-modified: 2023-11-13T15:56:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.163.120.0/22 descr: Proxy Registration for NRTC origin: AS20455 mnt-by: MAINT-AS15085 changed: netops [at] immedion.com 20160129 #20:16:11Z source: RADB last-modified: 2023-11-13T15:56:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source