IPCheck.ing — Tools

Open-source IP toolbox: lookup, connectivity tests, WebRTC and DNS leak detection, speed test, MTR, Whois, ASN history, and browser fingerprint.

Open source: https://github.com/jason5ng32/MyIP

IP Lookup

Show your public IPv4 and IPv6 addresses with ASN, geolocation, and ISP organization, sourced from multiple providers in parallel.

When to use

What you get

Open IP Lookup →

Query Any IP

Look up ASN, geolocation, and organization for any IPv4 or IPv6 address — not just your own.

When to use

What you get

Open Query Any IP →

Connectivity Test

Test whether common global services (Google, Cloudflare, GitHub, OpenAI, etc.) are reachable from your network.

When to use

What you get

Open Connectivity Test →

WebRTC Leak Test

Detect IPv4 and IPv6 addresses leaked by your browser through WebRTC, including local network addresses.

When to use

What you get

Open WebRTC Leak Test →

DNS Leak Test

Identify which DNS resolvers your traffic actually uses by triggering lookups against unique test domains.

When to use

What you get

Open DNS Leak Test →

Speed Test

Measure download, upload, latency, and jitter against the Cloudflare speedtest backend.

When to use

What you get

Open Speed Test →

Global Ping Test

Ping a host from multiple Globalping probes worldwide to see latency from different regions.

When to use

What you get

Open Global Ping Test →

Global MTR Test

Run an MTR (combined traceroute and ping) from multiple Globalping probes worldwide.

When to use

What you get

Open Global MTR Test →

Proxy Rule Test

Test which proxy rule a given domain or IP would match in rule-based clients (Clash, sing-box, Surge style).

When to use

What you get

Open Proxy Rule Test →

DNS Resolver

Query DNS records (A, AAAA, MX, TXT, NS, CNAME) for any domain across multiple resolvers in parallel.

When to use

What you get

Open DNS Resolver →

Censorship Check

Test whether a website is reachable from regions with known internet restrictions.

When to use

What you get

Open Censorship Check →

Whois Lookup

WHOIS / RDAP lookup for domains and IPs, with automatic RDAP fallback for new gTLDs.

When to use

What you get

Open Whois Lookup →

MAC Vendor Lookup

Look up the manufacturer (OUI) for a MAC address.

When to use

What you get

Open MAC Vendor Lookup →

Browser Info

Show your browser fingerprint: user agent, languages, timezone, GPU, screen, and stable fingerprint hash.

When to use

What you get

Open Browser Info →

Online Security Checklist

Interactive checklist of personal online privacy and security hygiene items, with progress tracking.

When to use

What you get

Open Online Security Checklist →

Invisibility Test

Run a battery of proxy- and VPN-detection checks against your connection and score how identifiable your disguise looks to a website.

When to use

What you get

Open Invisibility Test →

Service Status

Check the live operational status of popular services (Claude, OpenAI, Cursor, Notion, GitHub, Cloudflare, ElevenLabs, LangChain) in one place.

When to use

What you get

Open Service Status →

In-depth DNS Leak Test

Capture every recursive resolver exit IP your browser actually uses (typically 20–40 per run), with EDNS Client Subnet (ECS) and DNSSEC support analysis.

When to use

What you get

Open In-depth DNS Leak Test →