These entries are queried from radb.net using whois, you can try my project getting these.
:AS14559 route: 67.216.112.0/20 descr: Ballard Rural Telephone Cooperative Corporation Inc. origin: AS14559 mnt-by: MAINT-AS11758 changed: ihutchinson [at] iristransport.com 20151118 source: RADB last-modified: 2023-11-13T15:48:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 67.216.112.0/21 descr: Ballard Rural Telephone Cooperative descr: PO Box 209 descr: LaCenter, KY 42056-0209 origin: AS14559 mnt-by: MNT-BRTCC changed: js [at] jspringer.net 20160202 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 67.216.120.0/21 descr: Ballard Rural Telephone Cooperative descr: PO Box 209 descr: LaCenter, KY 42056-0209 origin: AS14559 mnt-by: MNT-BRTCC changed: js [at] jspringer.net 20160202 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 68.67.16.0/20 descr: WKT proxy registered by iRis Networks origin: AS14559 mnt-by: MAINT-TITGL changed: mikea615 [at] iristransport.com 20131113 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 68.67.16.0/20 descr: WKT proxy registered by iRis Networks origin: AS14559 mnt-by: MAINT-AS11758 changed: ihutchinson [at] iristransport.com 20151020 source: RADB last-modified: 2023-11-13T15:48:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 68.67.16.0/21 descr: Ballard Rural Telephone Cooperative descr: PO Box 209 descr: LaCenter, KY 42056-0209 origin: AS14559 mnt-by: MNT-BRTCC changed: js [at] jspringer.net 20160202 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 68.67.24.0/21 descr: Ballard Rural Telephone Cooperative descr: PO Box 209 descr: LaCenter, KY 42056-0209 origin: AS14559 mnt-by: MNT-BRTCC changed: js [at] jspringer.net 20160202 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source