These entries are queried from radb.net using whois, you can try my project getting these.
:AS131848 route: 218.38.32.0/24 origin: AS131848 descr: SKBroadbnad's coustemr route mnt-by: MAINT-AS9318 changed: ipnoc [at] skbroadband.com source: RADB last-modified: 2024-01-09T00:00:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source