These entries are queried from radb.net using whois, you can try my project getting these.
:AS54373 route: 69.174.176.0/20 descr: ADDED FOR - AS54373 origin: AS54373 notify: noc [at] 123.net mnt-by: I123-MNT changed: rpd [at] 123.net 20191213 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 69.174.176.0/20 descr: Message Express (Barry Co) via CTS origin: AS54373 mnt-by: MAINT-AS19653 changed: ssurdock [at] engineered-net.com 20120529 #18:40:28Z source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.74.112.0/20 descr: ADDED FOR - AS54373 origin: AS54373 notify: noc [at] 123.net mnt-by: I123-MNT changed: rpd [at] 123.net 20191213 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.74.112.0/20 descr: Message Express (Barry Co) via CTS origin: AS54373 member-of: AS19643:RS-AS54373 mnt-by: MAINT-AS19653 changed: ssurdock [at] engineered-net.com 20160202 #16:06:09Z source: RADB last-modified: 2023-11-13T15:48:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source