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by freshbob
1362 days ago
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It's not a proxy, but the 6to4 protocol that ISPs use to tunnel traffic. ISPs usually have IPv4s available, so they used it in the beginning of the IPv6 transition. However, there were quickly some problems discovered and the whole thing was deprecated after a few years. See <https://en.wikipedia.org/wiki/6to4> for more information. |
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