These entries are queried from radb.net using whois, you can try my project getting these.
:AS12024 route: 209.240.254.128/25 descr: cus route origin: AS12024 mnt-by: CPTELECOM-MNT changed: smc [at] level3.com 20130217 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.47.160.0/19 descr: ADCN maintainer origin: AS12024 mnt-by: ADCN1-MNT changed: erik.hunsinger [at] level3.com 20000103 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.47.160.0/19 descr: Advanced Corp Network ( Backup only) origin: AS12024 mnt-by: MAINT-AS27506 changed: rhinst [at] lightower.com 20160902 #18:57:08Z source: RADB last-modified: 2023-11-13T15:49:51Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.70.58.64/27 descr: cus route origin: AS12024 mnt-by: CPTELECOM-MNT changed: smc [at] level3.com 20130217 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source