ToolVet
81trust / 100

Asn Info

by ASN + IP geolocation in Weather & location

x402 APIPassing, checked 2 h ago

Look up the Autonomous System (ASN), prefix, country, registry, and allocation date for an IPv4 address - or for a hostname (which is resolved first). Uses Team Cymru's free DNS-based IP→ASN mapping; no HTTPS upstream, no auth, no rate-limit headaches.

POST https://agent402.tools/api/asn-info

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
187 ms typical, 187 ms slowest 5%
Last check
2 h ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://agent402.tools/api/asn-info" \
  -H "content-type: application/json" \
  -d '{"ip":"8.8.8.8"}'
import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fagent402.tools%2Fapi%2Fasn-info
const res = await pay("https://agent402.tools/api/asn-info", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"ip":"8.8.8.8"}),
});
console.log(await res.json());

Example input

{
  "ip": "8.8.8.8"
}

Example output

{
  "allocationDate": "1992-12-01",
  "asn": "AS15169",
  "country": "US",
  "ip": "8.8.8.8",
  "owner": "GOOGLE",
  "prefix": "8.8.8.0/24",
  "queriedAt": "2026-06-19T22:00:00.000Z",
  "registry": "arin"
}

Security scan

  • No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
2 h agoPassed402187 ms$0.001
7 h agoPassed402215 ms$0.001