These entries are queried from radb.net using whois, you can try my project getting these.
:AS26316 route: 64.152.75.0/24 descr: adding route to maintainer origin: AS26316 mnt-by: ALTAVISTACR-MNT changed: steve.cordova [at] level3.net 20020916 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.190.60.0/22 descr: Yahoo! SJB origin: AS26316 notify: network [at] yahoo-inc.com mnt-by: MAINT-YAHOO changed: nevin [at] yahoo-inc.com 20160802 source: RADB last-modified: 2023-11-13T15:49:47Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:4998:8::/48 descr: Yahoo SJB origin: AS26316 remarks: notify: network [at] yahoo-inc.com mnt-by: MAINT-YAHOO changed: nevin [at] yahoo-inc.com 20130830 source: RADB last-modified: 2023-11-13T15:45:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source