These entries are queried from radb.net using whois, you can try my project getting these.
:AS33271 route: 8.22.216.0/24 descr: customer route origin: AS33271 mnt-by: NPD1-MNT changed: delung.valerie [at] level3.com 20091014 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.192.61.0/24 descr: Integra Telecom Route Object origin: AS33271 remarks: Integra Telecom Customer remarks: contacts per RFC2142: remarks: Abuse / UCE report abuse [at] integratelecom.com remarks: SWIP Issues ipadmin [at] integratelecom.com notify: bgp [at] integra.net mnt-by: MAINT-AS7385 changed: steven.raymond [at] integratelecom.com 20070302 source: RADB last-modified: 2023-11-13T16:11:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source