These entries are queried from radb.net using whois, you can try my project getting these.
:AS54818 route: 67.210.208.0/24 descr: Prolexic Technologies, Inc. origin: AS54818 mnt-by: MAINT-AS32787 notify: hostmaster [at] prolexic.com changed: marojas [at] akamai.com 20150820 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: 198.49.88.0/24 descr: Peer1 Route Object origin: AS54818 mnt-by: maint-as13768 changed: support [at] peer1.com 20130907 source: RADB last-modified: 2023-11-13T15:45:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.49.89.0/24 origin: AS54818 descr: Akamai Technologies, Inc. mnt-by: MAINT-AS32787 changed: cromero [at] akamai.com 20240416 # 1916Z source: RADB last-modified: 2024-04-16T19:16:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source