These entries are queried from radb.net using whois, you can try my project getting these.
:AS395454 route: 52.144.126.0/23 descr: DAL1 - CID18082 origin: AS395454 mnt-by: MAINT-AS29802 changed: dan [at] hivelocity.net 20191227 source: RADB last-modified: 2023-11-13T15:59:23Z rpki-ov-state: valid