These entries are queried from radb.net using whois, you can try my project getting these.
:AS20469 route: 216.25.208.0/20 descr: Integra Telecom Route Object origin: AS20469 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: kenneth.mcintyre [at] integratelecom.com 20110214 source: RADB last-modified: 2023-11-13T16:11:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source