These entries are queried from radb.net using whois, you can try my project getting these.
:AS55119 route: 144.121.42.0/24 descr: Digital Guardian origin: AS55119 mnt-by: MAINT-AS27506 changed: philippe.robillard [at] crowncastle.com 20200713 source: RADB last-modified: 2023-11-13T16:01:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source