6 ms·

You should have a look at the IPv6 privacy extensions. IPv6 doesn't work as you think it does. Your devices use temporary IPs even with a static IPv6 prefix.

• singularity2001 8y ago
  Can't trackers just map the prefix to your id, or do many users share a prefix? will look it up...
  • Arnt 8y ago
    Sometimes, sometimes. Most ISPs give you a new prefix occasionally, such as every night. They don't need to, but so many do it anyway that a tracker cannot assume that 2001:a61:2574:a00/64 is the same customer as yesterday. It may be the same, usually isn't, so tracking is very imprecise.
    • skrause 8y ago
      And technically it would be easily possible with IPv6 to have multiple prefixes at the same time. An ISP could give you one static prefix for incoming connections and then an additional dynamic prefix which rotates between customers every 24 hours (leaving old prefixes actives for a week in case you have long-living connections).
  • azernik 8y ago
    A single user has at least a /64 (which in IPv6 must correspond to a subnet). This is the equivalent of a NATted IPv4 address for privacy purposes. Often, in order to allow customers to use multiple subnets, ISPs will allocate a /56 (256 subnets) to customers. For privacy purposes these have the same behavior as IPv4 addresses, in that they in theory can be rotated between users but in practice have lifetimes on the order of months.