These entries are queried from radb.net using whois, you can try my project getting these.
:AS48548 route: 177.236.143.0/24 origin: AS48548 descr: 177.236.143.0/24_IZZI mnt-by: MAINT-AS14178 changed: jgarza [at] mcmtelecom.com.mx 20200521 #16:38:43Z source: RADB last-modified: 2023-11-13T16:00:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source