These entries are queried from radb.net using whois, you can try my project getting these.
:AS396136 route: 23.189.64.0/23 origin: AS396136 descr: Echo Technologies, LLC mnt-by: MAINT-AS17077 changed: craig.whetstone [at] planters.net 20201110 source: RADB last-modified: 2024-01-09T07:00:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 23.189.64.0/24 origin: AS396136 descr: Echo Technologies, LLC, downstream of JMF / AS40805 mnt-by: MAINT-AS13760 changed: graham.wooden [at] uniti.com 20190807 #16:06:42Z source: RADB last-modified: 2023-11-13T15:57:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 23.189.65.0/24 origin: AS396136 descr: Echo Technologies, LLC mnt-by: MAINT-AS17077 changed: craig.whetstone [at] planters.net 20201110 source: RADB last-modified: 2024-01-09T07:00:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source