These entries are queried from radb.net using whois, you can try my project getting these.
:AS16556 route: 198.38.76.0/22 descr: ADDED FOR - AS16556 origin: AS16556 notify: noc [at] 123.net mnt-by: I123-MNT changed: rpd [at] 123.net 20220919 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.58.176.0/22 descr: ADDED FOR - AS16556 origin: AS16556 notify: noc [at] 123.net mnt-by: I123-MNT changed: rpd [at] 123.net 20220919 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.76.80.0/21 descr: ADDED FOR - AS16556 origin: AS16556 notify: noc [at] 123.net mnt-by: I123-MNT changed: rpd [at] 123.net 20220919 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source