These entries are queried from radb.net using whois, you can try my project getting these.
:AS12157 route: 38.105.136.0/24 descr: Element Capital Management LLC origin: AS12157 mnt-by: MAINT-AS27506 changed: robert.hinst [at] crowncastle.com 20190401 source: RADB last-modified: 2023-11-13T15:55:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.67.127.0/24 descr: Element Capital Mgmt origin: AS12157 mnt-by: MAINT-AS17378 changed: romeo.czumbil [at] tierpoint.com 20170731 #14:01:16Z source: RADB last-modified: 2023-11-13T16:17:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.191.138.0/24 descr: PNAP-NYC Trading Edge origin: AS12157 mnt-by: MAINT-AS1828 changed: kevink [at] internap.com 19990408 source: RADB last-modified: 2023-11-13T16:13:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source