These entries are queried from radb.net using whois, you can try my project getting these.
:AS26394 route: 192.206.197.0/24 descr: Akamai Technologies, Inc. origin: AS26394 mnt-by: MAINT-AS32787 changed: adwong [at] akamai.com 20171204 #20:54:09Z source: RADB last-modified: 2023-11-13T16:13:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.206.198.0/24 descr: Akamai Technologies, Inc. origin: AS26394 mnt-by: MAINT-AS32787 changed: adwong [at] akamai.com 20171204 #20:54:42Z source: RADB last-modified: 2023-11-13T16:13:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.206.200.0/24 descr: Akamai Technologies, Inc. origin: AS26394 mnt-by: MAINT-AS32787 changed: adwong [at] akamai.com 20171204 #20:52:33Z source: RADB last-modified: 2023-11-13T16:13:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.173.105.0/24 descr: Akamai Technologies, Inc. origin: AS26394 mnt-by: MAINT-AS32787 changed: adwong [at] akamai.com 20171204 #20:53:08Z source: RADB last-modified: 2023-11-13T16:13:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source