These entries are queried from radb.net using whois, you can try my project getting these.
:AS10340 route: 67.208.60.0/22 descr: Added by API Digital on behalf of Alchemy Global Networks, LLC origin: AS10340 mnt-by: API-MNT changed: cadams [at] nrtc.coop 20200630 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.77.184.0/22 descr: ADDED FOR - 10340 origin: AS10340 mnt-by: I123-MNT changed: rpd [at] 123.net 20070723 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.81.20.0/22 descr: ADDED FOR - 10340 origin: AS10340 mnt-by: I123-MNT changed: rpd [at] 123.net 20070807 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.81.23.0/24 descr: RR-RC-Emanon.com, Inc.-Insight origin: AS10340 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2606:7600::/32 descr: RR-RC-Emanon.com, Inc.-Louisville origin: AS10340 mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source