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IP Address Intelligence (RDAP + ASN Lookup)
x402
IP Address Intelligence (RDAP + ASN Lookup) is a paid API for AI agents from flat-rate-llm.kikoribera03.workers.dev, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-29).
Looks up an IPv4 or IPv6 address to retrieve its registry owner, country, abuse contact via RDAP, and origin ASN from Team Cymru's DNS service — no API key required.
Price / call$0.005
Success—
StatusUnknown
How this service works
Use when an agent must decide who an IP belongs to before blocking or trusting it: one IPv4 or IPv6 address against the two authoritative, keyless public sources - RDAP registry data (holder, country, date, abuse contact) via the ARIN-to-RIR chain, and the origin ASN from Team Cymru's DNS service. No city-level geolocation and no VPN/proxy detection: that needs a licensed database this route deliberately does not use. Built for going through a list of IPs one at a time.
Output
Returns a JSON object containing the queried IP address, its version (4 or 6), a boolean indicating if it's private/reserved, the origin ASN number and name, the ASN's registered country code, and a nested registry object with RDAP data (block owner, country, registration dates, abuse contact).
Example use cases
Investigate suspicious server IP
“I'm seeing repeated failed login attempts from 185.220.101.15 in my logs — can you tell me who owns that IP, what ASN it belongs to, and whether there's an abuse contact registered for it?”
Enrich threat intel report
“I have a list of IPs flagged as malicious: start with 45.33.32.156 and tell me its ASN name, country, and registry owner so I can add that context to my report.”
Verify IP ownership for compliance
“We received a DMCA notice claiming traffic came from our network at 2001:4860:4860::8888 — can you pull the RDAP registration details and ASN info for that address so I can verify who actually holds that block?”
Technical details
Endpoint
GEThttps://flat-rate-llm.kikoribera03.workers.dev/v1/red/ip?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need authoritative, keyless RDAP registry and ASN data for a single IP address without signing up for a commercial service. It is ideal for threat investigation, abuse reporting, compliance checks, or enriching security logs one IP at a time. Do NOT use it if you need city-level geolocation, VPN/proxy detection, or high-volume batch lookups — those require a licensed commercial database this endpoint deliberately excludes.
Side effects
- Invalid or malformed IP address returns an error
- Private/reserved IPs (RFC 1918, loopback) may return limited or no registry data
- RDAP referral chain timeout if a regional RIR is temporarily unavailable
- Team Cymru DNS lookup failure may result in missing ASN fields
- IPv6 addresses in non-standard notation may cause parse errors
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| iprequired | string | The IPv4 or IPv6 address to look up. |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| ip | string | |
| asn | number | |
| asnName | string | |
| private | boolean | |
| version | number | |
| registry | object | |
| asnCountry | string |
Tags
x402
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