Quick answers for everyday network questions — powered by the same data as our API. No signup, no key, no limits that matter.
Is an IP address hiding behind a VPN, proxy or Tor? One click tells you.
Your public IP address with location, ISP and network details.
Explore any autonomous system — owner, country and announced ranges.
Subnet math without the mistakes: netmask, broadcast, host range and counts.
Paste up to 50 IPs and get a full geo + threat report by email.
The same data behind these tools is one API call away — 10,000 free lookups every month.