IP Lookup

Resolve a domain or IP and return IP and network details.

GET /api/ip-lookup

Try it

{
  "ok": true,
  "input": "example.com",
  "resolved": {
    "hostname": "example.com",
    "ipv4": ["93.184.216.34"],
    "ipv6": []
  },
  "ip": "93.184.216.34",
  "network": {
    "asn": 15133,
    "asn_org": "EdgeCast Networks, Inc.",
    "country": "US",
    "provider": "EdgeCast Networks, Inc.",
    "ptr": null
  },
  "meta": {
    "responseTimeMs": 72,
    "cached": false,
    "rateLimitedScope": "global"
  },
  "error": null
}

What it returns

• •ok - whether the lookup succeeded
• •input - the original input (domain or IP)
• •resolved.hostname - the normalized hostname (lowercased, trailing dot removed; null for direct IP input)
• •resolved.ipv4 - list of resolved IPv4 addresses
• •resolved.ipv6 - list of resolved IPv6 addresses
• •ip - the primary IP address used for enrichment
• •network.asn - autonomous system number
• •network.asn_org - ASN organization name
• •network.country - ISO country code
• •network.provider - network provider / org
• •network.ptr - reverse DNS hostname (public IPs only; null for private/reserved inputs)
• •network.is_private - optional; only present (true) for private/reserved direct-IP inputs
• •meta - response time, cache status, rate limit scope

Use cases

• •Find the IP address behind a domain
• •Inspect basic network ownership and ASN for an IP
• •Debug DNS vs IP routing issues
• •Quick IP info in scripts and CI pipelines

Quick API examples

curl "https://tinyutils.dev/api/ip-lookup?input=example.com"

curl "https://tinyutils.dev/api/ip-lookup?input=1.1.1.1"

const res = await fetch(
  "https://tinyutils.dev/api/ip-lookup?input=example.com"
);
const data = await res.json();
console.log(data.ip, data.network.country, data.network.asn);