Online IPv6 Port Scanner,
Firewall Tester

Welcome to IPscan, an open source IPv6 port scanner, or firewall tester, which checks multiple, user-selectable TCP, UDP and ICMPv6 services. IPscan offers much of the functionality you might hope to find in an IPv6 version of GRC's ShieldsUP® utility. So far over 174,124 IPv6 hosts, and of the order of 12,885,176 IPv6 TCP/UDP ports, have been tested.

About to assess your host's connection to this webserver:

If you have verified that the address above is YOUR IPv6 address, then please click on one of the following links to test your machine:

  1. Original IPv6 firewall scanner (requires Javascript, but gives ongoing updates as the test progresses)
  2. FASTER version of the above (requires Javascript, NOTE: some OS/firewalls drop high-rate ICMPv6 responses)
  3. Lightweight IPv6 firewall scanner (compatible with text browsers, e.g. Lynx/w3m, but takes up to 90s to return a result)
  4. FASTER version of the above (text browsers, NOTE: some OS/firewalls drop high-rate ICMPv6 responses)

Please visit the IPscan wiki for further background information, details of the privacy policy and IPv6 debug suggestions. All other registered trademarks are the property of their respective owners.