These entries are queried from radb.net using whois, you can try my project getting these.
:AS25765 route: 64.208.51.0/24 descr: CHI CQG Network origin: AS25765 mnt-by: MNT-CQG changed: mmassaro [at] cqg.com 20030930 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.208.51.0/24 descr: CyrusOne-Customer Prefix origin: AS25765 notify: hostmaster [at] cyrusone.com mnt-by: MAINT-AS62 changed: hostmaster [at] cyrusone.com 20201218 source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.48.16.0/24 descr: tkt#2700098 origin: AS25765 mnt-by: MNT-CQG changed: zahir.mustafa [at] level3.com 20080719 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.48.16.0/24 descr: CyrusOne-Customer Prefix origin: AS25765 notify: hostmaster [at] cyrusone.com mnt-by: MAINT-AS62 changed: hostmaster [at] cyrusone.com 20201218 source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.247.233.0/24 descr: NY-CH CQG Network origin: AS25765 mnt-by: MNT-CQG changed: mmassaro [at] cqg.com 20020626 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source