These entries are queried from radb.net using whois, you can try my project getting these.
:AS45422 route: 136.146.0.0/15 descr: Prolexic Technologies, Inc. origin: AS45422 mnt-by: MAINT-AS32787 notify: hostmaster [at] prolexic.com changed: erodrigu [at] akamai.com 20140510 source: RADB last-modified: 2023-11-13T16:13:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:df0:f7::/48 descr: Salesforce.com origin: AS45422 notify: neteng [at] salesforce.com mnt-by: SALESFORCE-MNT changed: neteng [at] salesforce.com 20120430 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source