These entries are queried from radb.net using whois, you can try my project getting these.
:AS26023 route: 204.126.30.0/23 descr: Route for 204.126.30.0/23 (AS 26023) origin: AS26023 member-of: rs-GLOBALCOM mnt-by: GLOBALCOM-MNT changed: jake.rowan [at] level3.com 20071101 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.146.68.0/24 descr: Route for 216.146.68.0/24 (AS 26023) origin: AS26023 member-of: rs-GLOBALCOM notify: bho [at] global-com.com mnt-by: GLOBALCOM-MNT changed: bho [at] global-com.com 20050217 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source