English
HrvatskiThese tools connect to you over IPv6 only. If a result appears, your connection supports IPv6. If you see “Not detected”, your network, router or ISP doesn’t provide IPv6 yet. Everything still works over IPv4, but you’re missing out on the newer protocol.
What is IPv6?
IPv6 (Internet Protocol version 6) is the successor to IPv4, standardized to solve the shortage of IPv4 addresses. An IPv6 address is 128 bits long, which allows about 3.4 × 10³⁸ addresses, enough to give every device its own public address without sharing.
IPv6 addresses are written as eight groups of four hexadecimal digits separated by colons, for example 2001:0db8:85a3:0000:0000:8a2e:0370:7334. Leading zeros can be dropped, and one run of all-zero groups can be replaced with ::, so that address can also be written as 2001:db8:85a3::8a2e:370:7334.
IPv4 vs. IPv6
| IPv4 | IPv6 | |
|---|---|---|
| Address length | 32 bits | 128 bits |
| Example | 203.0.113.42 | 2001:db8::42 |
| Number of addresses | about 4.3 billion | about 3.4 × 10³⁸ |
| Address sharing (NAT) | common | not needed |
| Configuration | DHCP or manual | automatic (SLAAC) or DHCPv6 |
How widely is IPv6 used?
Adoption has grown steadily for more than a decade. Google’s IPv6 statistics show that around half of its users now reach it over IPv6, with much higher rates in countries such as France, Germany and India. Most networks run dual-stack: IPv4 and IPv6 side by side, with the browser choosing the faster one.
Which tool do I need?
- IPv6 address: test IPv6 support and see your address.
- IPv6 hostname: the reverse DNS name of your IPv6 address.
- IPv6 location: where geolocation databases place your IPv6 address.
- IPv6 proxy: whether your IPv6 traffic goes through a proxy.
- IPv6 ISP and IPv6 ASN: which provider and network carry your IPv6 traffic.