These entries are queried from radb.net using whois, you can try my project getting these.
:AS22419 route: 70.40.136.0/24 descr: ACN-Corp origin: AS22419 mnt-by: MAINT-AS19397 changed: mwilson [at] acninc.com 20091005 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 70.40.136.0/24 descr: Prolexic Technologies, Inc. origin: AS22419 mnt-by: MAINT-AS32787 changed: rguerra [at] akamai.com 20170523 #04:28:55Z 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: 70.40.190.0/24 descr: Prolexic Technologies, Inc. origin: AS22419 mnt-by: MAINT-AS32787 changed: rguerra [at] akamai.com 20170523 #04:28:55Z 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: 208.215.25.0/24 descr: ACN-Corp origin: AS22419 mnt-by: MAINT-AS19397 changed: mwilson [at] acninc.com 20091005 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source