Teredo tunneling
IPv6 addressing

Bits
0 - 31
32 - 63
64 - 79
80 - 95
96 - 127
Length
32 bits
32 bits
16 bits
16 bits
32 bits
Description
Prefix
Teredo server IPv4
Flags
Obfuscated UDP port
Obfuscated Client public IPv4

Question: which range of bits contain the obfuscated IPv4 address?
Answer: Bits 96 to 127 contain the obfuscated IPv4 address.