These entries are queried from radb.net using whois, you can try my project getting these.
:AS6510 route: 128.187.0.0/16 origin: AS6510 descr: This is a BYU owned prefix announced by UEN mnt-by: MAINT-AS210 changed: jesse [at] uen.org 20200406 #15:53:59Z source: RADB last-modified: 2023-11-13T16:00:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:c9:8000::/48 origin: AS6510 descr: Proxy Object for BYU via UEN mnt-by: MAINT-AS15305 changed: bgpadmin [at] syringanetworks.net 20200818 #20:02:15Z source: RADB last-modified: 2023-11-13T16:01:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:10f:3000::/40 descr: Integra Telecom Route Object origin: AS6510 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: James.Johnson [at] integratelecom.com 20130515 source: RADB last-modified: 2023-11-13T16:11:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source