These entries are queried from radb.net using whois, you can try my project getting these.
:AS18755 route: 169.136.0.0/24 origin: AS18755 descr: Akamai Technologies, Inc. mnt-by: MAINT-AS32787 changed: oariasme [at] akamai.com 20210409 #16:38:41Z source: RADB last-modified: 2023-11-13T16:13:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source