These entries are queried from radb.net using whois, you can try my project getting these.
:AS53853 route: 65.211.15.0/24 descr: Sidera-Cust-NorthCove origin: AS53853 mnt-by: MAINT-AS27506 changed: Ronald.Wilson [at] rcnmetro.com 20110825 #22:50:02Z source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.206.204.0/24 descr: WiLine Networks descr: 2955 Campus Dr descr: San Mateo, CA 94403 descr: US origin: AS53853 mnt-by: MNT-WILIN-1 changed: domain [at] wiline.com 20211213 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.206.204.0/24 descr: Integra Telecom Route Object origin: AS53853 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: cory.lucas [at] integratelecom.com 20151029 source: RADB last-modified: 2023-11-13T16:11:47Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source