These entries are queried from radb.net using whois, you can try my project getting these.
:AS27583 route: 204.63.160.0/24 origin: AS27583 descr: Regis mnt-by: MAINT-AS10242 changed: jkrejci [at] usinternet.com 20200413 #18:51:10Z source: RADB last-modified: 2023-11-13T16:00:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.63.161.0/24 origin: AS27583 descr: Regis mnt-by: MAINT-AS10242 changed: jkrejci [at] usinternet.com 20200413 #18:51:38Z source: RADB last-modified: 2023-11-13T16:00:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.63.164.0/24 origin: AS27583 descr: Regis mnt-by: MAINT-AS10242 changed: jkrejci [at] usinternet.com 20200429 #17:05:19Z source: RADB last-modified: 2023-11-13T16:00:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.63.166.0/24 origin: AS27583 descr: Regis mnt-by: MAINT-AS10242 changed: jkrejci [at] usinternet.com 20200429 #17:04:17Z source: RADB last-modified: 2023-11-13T16:00:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source