These entries are queried from radb.net using whois, you can try my project getting these.
:AS397398 route: 204.124.236.0/23 descr: Brewster Academy attn Tech Office (ZB61-ARIN) origin: AS397398 mnt-by: MAINT-TVC changed: tdewitt [at] firstlight.net 20190710 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.124.238.0/24 descr: Brewster Academy attn Tech Office (ZB61-ARIN) origin: AS397398 mnt-by: MAINT-TVC changed: tdewitt [at] firstlight.net 20190710 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source