IPv6 Test Online — Do You Have IPv6? — 101IP

101IP automatically detects your public IP address, checks for IPv6 connectivity and finds local IPv6 addresses on your device via WebRTC. All instantly, without registration or software installation.

What is IPv6 and why does it matter?

IPv4 — the familiar 192.168.1.1 format — is exhausted: all ~4 billion addresses have been allocated. IPv6 uses 128-bit addresses like 2001:db8:85a3::8a2e:370:7334, providing 340 undecillion unique addresses.

• More addresses — every device can get a unique public IP.
• Direct connectivity — less NAT, better performance for P2P and IoT.
• Built-in security — IPSec is part of the IPv6 standard.
• Auto-configuration — devices configure themselves without DHCP.

Why don't I have IPv6?

• Your ISP hasn't deployed IPv6 support for subscribers yet.
• Your router or modem doesn't support IPv6 or it's disabled in settings.
• Old equipment without support for the new protocol.
• A corporate network administrator has intentionally disabled IPv6.

What to do if IPv6 is not supported?

• Contact your ISP and ask whether your plan supports IPv6.
• Update your router firmware — many older models received IPv6 support after an update.
• Check router settings: the "WAN" or "IPv6" section — it may simply be disabled.
• If needed, use a tunnel IPv6 broker (6in4, Teredo) as a temporary solution.