These entries are queried from radb.net using whois, you can try my project getting these.
:AS27004 route: 64.141.133.0/24 descr: AS27004 proxy-registered route by Cogent origin: AS27004 remarks: Proxy-registered route object remarks: for Cogent customer notify: neteng [at] cogentco.com mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20040630 source: RADB last-modified: 2023-11-13T15:39:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.186.54.0/24 descr: PNAP-CHG US Signal customer route origin: AS27004 mnt-by: MAINT-AS1828 changed: scottl [at] internap.com 20030619 source: RADB last-modified: 2023-11-13T16:13:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.170.55.0/24 descr: US Signal Customer route. origin: AS27004 mnt-by: I123-MNT changed: rpd [at] 123.net 20030428 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.170.55.0/24 descr: PNAP-CHG US Signal Customer route origin: AS27004 mnt-by: MAINT-AS1828 changed: scottl [at] internap.com 20030619 source: RADB last-modified: 2023-11-13T16:13:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source