These entries are queried from radb.net using whois, you can try my project getting these.
:AS396109 route: 141.193.56.0/23 descr: proxy route for Yoko Networks YN-9 origin: AS396109 mnt-by: MAINT-AS53264 changed: darrell.budic [at] newcontinuum.net 20170809 #23:06:39Z source: RADB last-modified: 2023-11-13T15:51:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 141.193.57.0/24 origin: AS396109 descr: Yokonetworks mnt-by: MAINT-AS6315 changed: pashdown [at] xmission.com 20210314 #23:04:02Z source: RADB last-modified: 2023-11-13T16:05:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2602:fed0::/36 descr: proxy route for Yoko Networks YN-9 origin: AS396109 mnt-by: MAINT-AS53264 changed: darrell.budic [at] newcontinuum.net 20170809 #23:08:02Z source: RADB last-modified: 2023-11-13T15:51:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source