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Saylor Innovations ASN Lookup
x402
Saylor Innovations ASN Lookup is a paid API for AI agents from saylorinnovations.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-17).
Looks up network details for any AS number, returning holder name, announced IPv4/IPv6 prefix counts, peering policy, exchange points, and facilities via RIPEstat and PeeringDB
Price / call$0.01
Success—
StatusUnknown
How this service works
ASN network lookup - holder, announced IPv4 and IPv6 prefix counts, peering policy, exchange points and facilities for any AS number (RIPEstat and PeeringDB)
Output
Returns a JSON object containing the ASN string, the holder name (or null), a boolean indicating whether the ASN is currently announcing routes, an object with IPv4 and IPv6 announced prefix counts, a PeeringDB object with peering policy, exchange points and facilities, the data source identifier, and the UTC timestamp of when the check was run.
Example use cases
Identify a suspicious network source
“I'm seeing traffic from AS15169 in my logs — can you look it up and tell me who the holder is, whether it's announcing routes, and what peering policy it has?”
Research a competitor's network footprint
“Pull the ASN details for AS3356 — I want to know the holder, how many IPv4 and IPv6 prefixes they announce, and which internet exchange points they're present at.”
Verify an ISP's peering presence
“Can you check AS6939 for me and return its peering policy, any listed facilities, and the exchange points it participates in?”
Technical details
Endpoint
GEThttps://saylorinnovations.com/api/net/asn?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need comprehensive ASN metadata combining both routing data (from RIPEstat) and peering/facility data (from PeeringDB) in a single call. Prefer it over raw RIPEstat or PeeringDB queries when you need a unified view of holder, prefix announcements, and peering presence without managing multiple upstream API integrations. Best for network research, ISP due diligence, BGP troubleshooting, and peering policy discovery.
Side effects
- Invalid or non-existent ASN returns announced: false with null holder and empty prefixes
- Malformed ASN input (missing 'AS' prefix or non-numeric) may return an error or empty result
- RIPEstat or PeeringDB downstream unavailability may cause null fields or stale data
- Rate limiting or payment failure returns HTTP 402 or 429
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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