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Agent Tools IP Lookup
x402
Agent Tools IP Lookup is a paid API for AI agents from agent-tools.jbarkules.workers.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-28).
Looks up the owner network, allocation range, country, and reverse DNS for a given IPv4 or IPv6 address using RDAP.
Price / call$0.002
Success—
StatusUnknown
How this service works
IP address owner network, allocation range, country (RDAP) and reverse DNS.
Output
Returns a JSON object with the IP address, the two-letter country code, the network name/organization (e.g. 'GOGL' for Google), and an array of reverse DNS hostnames associated with the IP.
Example use cases
Identify suspicious login origin
“Someone just tried to log into our system from IP 185.220.101.34 — can you tell me who owns that IP, what country it's from, and what the reverse DNS says?”
Enrich server access logs
“I have an IP address 104.16.0.0 from our access logs — look up the network owner, country, and reverse DNS so I can understand who's hitting our API.”
Verify a known service IP
“Is 8.8.8.8 really owned by Google? Look up the network, allocation range, country, and reverse DNS for that IP to confirm.”
Technical details
Endpoint
GEThttps://agent-tools.jbarkules.workers.dev/v1/ip/lookup?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a lightweight, single-call lookup combining RDAP network ownership data and reverse DNS for an IP address, without needing full geolocation coordinates or ASN routing data. It is ideal for log enrichment, security investigation, or identity verification workflows where country, network owner, and hostname are the key signals needed.
Side effects
- Invalid or malformed IP address returns an error
- Private/reserved IP ranges may return no RDAP data
- Newly allocated IPs may not yet appear in RDAP records
- IPv6 addresses may have limited reverse DNS entries
- Service may be unavailable or rate-limited, returning a non-200 status
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"ip": "1.1.1.1",
"type": "ASSIGNED PORTABLE",
"range": "1.1.1.0 - 1.1.1.255",
"country": "AU",
"network": "APNIC-LABS",
"reverse_dns": [
"one.one.one.one."
]
}
}Tags
x402
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