These entries are queried from radb.net using whois, you can try my project getting these.
:AS30350 route: 12.106.140.0/22 descr: Greene County Cable origin: AS30350 remarks: Object registered by New edge for Transit notify: bgpadmin [at] newedgenetworks.com mnt-by: NEWEDGENETS-MNT changed: bgpadmin [at] newedgenetworks.com 20031001 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 72.53.176.0/20 descr: Region VII Education Service Center origin: AS30350 mnt-by: MAINT-CCI changed: dow.martin [at] consolidated.com 20181019 #19:33:09Z source: RADB last-modified: 2023-11-13T15:54:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2604:c400::/32 descr: Region VII Education Service Center origin: AS30350 mnt-by: MAINT-CCI changed: dow.martin [at] consolidated.com 20181019 #19:35:26Z source: RADB last-modified: 2023-11-13T15:54:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source