Routing intelligence tool

ASN lookup

ASN lookup for network operators, originated prefixes, registry records, routing relationships, RPKI, IRR, and source-labeled BGP context.

AS13335 JSON for AS13335 AS64512 fixture

Network ownerRegistry context

Normalize the ASN and see name, registry, country, and source labels when available.

RoutingPrefixes + origin

Inspect originated prefixes, BGP source freshness, and route-origin context.

ValidationRPKI + IRR hints

Understand whether routing registry signals agree with observed origin data.

What this ASN lookup returns

Results are structured for routing diagnostics and future API customers. Each response separates normalized ASN, source labels, warnings, freshness, and partial-result state.

/api/asn/AS13335 returns structured JSON for ASN pages.
What is an ASN? explains autonomous systems and BGP ownership.
IP lookup accepts IPs, prefixes, domains, ASNs, and MAC addresses from one search surface.

ASN lookup FAQ

What is an ASN lookup?

An ASN lookup resolves an autonomous system number to network ownership, registry, prefix, and routing context.

Can I search AS13335 or 13335?

Yes. The lookup normalizes both AS-prefixed and numeric ASN inputs before returning structured results.

What routing data is included?

Results can include registry labels, originated prefixes, relationship summaries, RPKI and IRR hints, and source/freshness labels.