These entries are queried from radb.net using whois, you can try my project getting these.
:AS31865 route: 161.36.84.0/22 descr: Prolexic Technologies, Inc. origin: AS31865 notify: hostmaster [at] prolexic.com mnt-by: MAINT-AS32787 changed: fleandre [at] akamai.com 20180214 #07:13:21Z source: RADB last-modified: 2023-11-13T16:13:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 161.36.88.0/24 descr: Akamai Technologies Inc. origin: AS31865 mnt-by: MAINT-AS32787 changed: wcranmer [at] akamai.com 20180523 #18:42:41Z source: RADB last-modified: 2023-11-13T16:13:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.86.203.0/24 descr: Prolexic Technologies, Inc. origin: AS31865 notify: hostmaster [at] prolexic.com mnt-by: MAINT-AS32787 changed: fleandre [at] akamai.com 20180214 #07:14:36Z source: RADB last-modified: 2023-11-13T16:13:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source