These entries are queried from radb.net using whois, you can try my project getting these.
:AS1400 route: 199.200.8.0/24 descr: Prolexic Technologies, Inc. origin: AS1400 mnt-by: MAINT-AS32787 notify: hostmaster [at] prolexic.com changed: jbarral [at] akamai.com 20140606 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: 216.105.250.0/24 descr: proxy object for TD Ameritrade origin: AS1400 mnt-by: MAINT-NTTCOM-RA changed: dpontrelli [at] us.ntt.net 20100330 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.105.250.0/24 descr: Prolexic Technologies, Inc. origin: AS1400 mnt-by: MAINT-AS32787 notify: hostmaster [at] prolexic.com changed: hostmaster [at] prolexic.com 20120417 source: RADB last-modified: 2023-11-13T16:13:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source