These entries are queried from radb.net using whois, you can try my project getting these.
:AS18829 route: 63.122.126.0/23 descr: Proxy-registered route origin: AS18829 remarks: Registered by Shentel (AS4922)for AS18829 notify: gene.jeffers [at] emp.shentel.com mnt-by: MAINT-SHENTEL changed: gene.jeffers [at] emp.shentel.com 20101208 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 63.122.126.0/24 descr: Proxy-registered route origin: AS18829 remarks: Registered by Shentel (AS4922)for AS18829 notify: gene.jeffers [at] emp.shentel.com mnt-by: MAINT-SHENTEL changed: gene.jeffers [at] emp.shentel.com 20101208 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 63.122.127.0/24 descr: Proxy-registered route origin: AS18829 remarks: Registered by Shentel (AS4922)for AS18829 notify: gene.jeffers [at] emp.shentel.com mnt-by: MAINT-SHENTEL changed: gene.jeffers [at] emp.shentel.com 20101208 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source