These entries are queried from radb.net using whois, you can try my project getting these.
:AS47028 route: 38.44.160.0/19 origin: AS47028 descr: Route Registered for Cogent Communications Customer Twin Valley Communications Inc geoidx: US mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20220426 #18:29:16Z source: RADB last-modified: 2023-11-13T16:10:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 71.19.208.0/20 descr: Twin Valley Communications, Inc. descr: 22 W Spruce Street descr: Miltonvale, KS 67466 descr: US origin: AS47028 mnt-by: MNT-TWINV changed: cole.gisselbeck [at] tvtinc.net 20110719 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 71.19.222.0/24 origin: AS47028 descr: WICH #ECR000001350769 remarks: Proxy object for AS47028 mnt-by: MAINT-AS22773 changed: cciatl-nocengineer [at] cox.com 20220520 source: RADB last-modified: 2023-11-13T16:11:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.182.112.0/20 descr: Twin Valley Communications, Inc. descr: 22 W Spruce St descr: Miltonvale, KS 67466 descr: US origin: AS47028 notify: noc [at] tvtinc.net mnt-by: MNT-TWINV changed: cole.gisselbeck [at] tvtinc.net 20110322 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source