/TRAINING
IPv6 Subnet Trainer
128 bits stops being scary once you see that every hex digit is just 4 bits. Slide the prefix, watch the nibbles, learn to count in hex.
the breakdown (one cell = one hex digit = 4 bits)
binary zoom
network nibbles (locked by the prefix)
interface / host nibbles
the /prefix boundary
the /64 line (where interface IDs start by convention)
solve for
address answers accept any valid form, compressed or expanded
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