Validate a prefix and origin AS number against published ROAs and see whether the announcement is RPKI valid.
Valid: a published ROA authorizes this origin ASN to announce this prefix at this length.
Invalid: a ROA exists for this prefix but it does not match this origin or the announced length; many large networks drop such routes.
Unknown: no ROA covers this prefix, so validators cannot confirm or reject the announcement.
Every ASN we sponsor gets its ROAs configured at assignment time, so your announcements validate from day one.