IP WHOIS Lookup

IP and Network Intelligence
POST /api/v1/ip/whois Bearer

IP WHOIS Lookup API — live registration data for an IPv4 or IPv6 address, straight from the Regional Internet Registry that allocated it. Returns the allocated network (range, CIDR, name, handle, allocation status), the holder organisation with its postal address, and the registered abuse and technical contacts. registry names the RIR that answered — ARIN, RIPE, APNIC, LACNIC or AFRINIC. Use it for abuse reporting, network attribution and IP-block ownership checks. For risk scoring see IP Threat Intelligence; for location see IP Geolocation.

Availability

🌍 Global — Available worldwide

What IP WHOIS Lookup Is Used For

Network ownership attribution

Find the organisation an address is allocated to, straight from the RIR that issued it.

Abuse reporting

Get the registered abuse and technical contacts you need to escalate against a network.

Allocation research

Read the network range, CIDR, name, handle and allocation status behind an address.

Registry identification

See which RIR answered, whether ARIN, RIPE, APNIC, LACNIC or AFRINIC.

Quick Start

1. Copy your API key from Dashboard → API Keys
2. Send a POST request to /api/v1/ip/whois
3. Pass the key as Authorization: Bearer <key>
4. Read the result from the data object in the JSON response

cURL

curl -X POST https://app.way2api.com/api/v1/ip/whois \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"ip_address":"8.8.8.8"}'
🚀 Send Request
✓ Key saved

🔑 Remember API Key

One-click convenience for testing & troubleshooting — no account needed.

1

What it doesSaves your API key in this browser only using localStorage. Next time you open a docs page, the Try It panel is pre-filled automatically.

2

Auto-updatesIf you type a different key into any Try It field, the saved key is replaced instantly — only the most recent key is ever stored.

3

Uncheck to forgetUnchecking “Remember API Key” immediately deletes the stored key and clears the field. While unchecked, nothing is saved even if you type a new key.

4

Re-check to save againChecking the box again saves whatever key is currently in the Try It field.

⚠ Security note: Your key is stored only in your browser and is never sent to any server except as part of the actual API call you send. Do not use this feature on shared or public computers.

More on this API

Request Endpoint, authentication headers, every request parameter with its type, and a sample request body. Response The full success response payload, field by field. Error Codes HTTP status codes, error payload shape, and how to handle failures. Code Examples Ready-to-run examples in cURL, PHP, JavaScript and Python. Rate Limits Per-minute and per-day request limits, and what happens on breach. AI Agent / LLM The whole endpoint as one Markdown brief — paste into Claude, Cursor, Copilot or ChatGPT.