These entries are queried from radb.net using whois, you can try my project getting these.
:AS36612 route: 64.4.176.0/20 origin: AS36612 descr: Clark County Washington notify: netadmin [at] clark.wa.gov mnt-by: MAINT-AS36612 changed: netadmin [at] clark.wa.gov 20220411 #21:42:32Z source: RADB last-modified: 2023-11-13T16:10:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.4.184.0/21 descr: Integra Telecom Route Object origin: AS36612 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 20070130 source: RADB last-modified: 2023-11-13T16:11:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source