These entries are queried from radb.net using whois, you can try my project getting these.
:AS1399 route: 198.200.170.0/24 descr: Prolexic Technologies, Inc. origin: AS1399 mnt-by: MAINT-AS32787 notify: hostmaster [at] prolexic.com changed: vwilliams [at] prolexic.com 20140805 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: 198.200.171.0/24 descr: Prolexic Technologies, Inc. origin: AS1399 mnt-by: MAINT-AS32787 notify: hostmaster [at] prolexic.com changed: jarbelaez [at] prolexic.com 20140210 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: 198.200.172.0/24 descr: Prolexic Technologies, Inc. origin: AS1399 mnt-by: MAINT-AS32787 notify: hostmaster [at] prolexic.com changed: jarbelaez [at] prolexic.com 20140210 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: 198.200.174.0/24 descr: Prolexic Technologies, Inc. origin: AS1399 mnt-by: MAINT-AS32787 changed: czunigav [at] akamai.com 20170301 #01:19:36Z 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: 199.200.8.0/22 descr: Prolexic Technologies, Inc. origin: AS1399 mnt-by: MAINT-AS32787 changed: czunigav [at] akamai.com 20170301 #01:19:36Z 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: 199.200.12.0/23 descr: Prolexic Technologies, Inc. origin: AS1399 mnt-by: MAINT-AS32787 changed: czunigav [at] akamai.com 20170301 #01:19:36Z 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: 204.58.24.0/22 descr: Prolexic Technologies, Inc. origin: AS1399 mnt-by: MAINT-AS32787 changed: czunigav [at] akamai.com 20170301 #01:19:36Z 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: 204.107.120.0/24 descr: Prolexic Technologies, Inc. origin: AS1399 mnt-by: MAINT-AS32787 changed: czunigav [at] akamai.com 20170301 #01:19:36Z 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: 208.88.144.0/22 origin: AS1399 descr: Akamai Technologies, Inc. mnt-by: MAINT-AS32787 changed: cromero [at] akamai.com 20201001 #02:02:46Z source: RADB last-modified: 2023-11-13T16:13:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.105.240.0/20 descr: Prolexic Technologies, Inc. origin: AS1399 mnt-by: MAINT-AS32787 changed: czunigav [at] akamai.com 20170301 #01:19:36Z 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: 216.105.249.0/24 descr: Prolexic Technologies, Inc. origin: AS1399 mnt-by: MAINT-AS32787 notify: hostmaster [at] prolexic.com changed: vwilliams [at] prolexic.com 20140805 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: 216.105.251.0/24 descr: proxy object for TD Ameritrade origin: AS1399 mnt-by: MAINT-NTTCOM-RA changed: dpontrelli [at] us.ntt.net 20100602 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.105.251.0/24 descr: Prolexic Technologies, Inc. origin: AS1399 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 route: 216.105.252.0/24 descr: Prolexic Technologies, Inc. origin: AS1399 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 route: 216.105.252.0/24 descr: proxy object for TD Ameritrade origin: AS1399 mnt-by: MAINT-NTTCOM-RA changed: dpontrelli [at] us.ntt.net 20100602 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source