These entries are queried from radb.net using whois, you can try my project getting these.
:AS22592 route: 208.91.124.0/22 descr: Proxy-registered route origin: AS22592 remarks: Telegia remarks: Registered by Shentel (AS4922)for AS22592 notify: bob.alexander [at] emp.shentel.com mnt-by: MAINT-SHENTEL changed: bob.alexander [at] emp.shentel.com 20170531 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source