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IPv6-Anycast.md
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1 | +We provide some anycast services |
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2 | + |
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3 | +## Anycast address space |
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4 | + |
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5 | +**fd42:d42:d42::/48** is reserved for anycast services. |
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6 | + |
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7 | +Each anycast service runs on a dedicated /64 in this range. This way, nobody needs to update filters. |
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8 | + |
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9 | +Remember, if you announce an anycast /64, then you need to provide **all** services within this /64. It's probably simpler to only provide one service for each /64. |
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10 | + |
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11 | +## Anycast services |
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12 | + |
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13 | +| **Name** | **/64 prefix announced** | **Service address** | **Protocol/port** | |
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14 | +|----------|-------------------------|---------------------|-------------------| |
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15 | +| DNS resolver | fd42:d42:d42:53::/64 | fd42:d42:d42:53::1 | UDP/53 | |
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