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Not even 'usually', it doesn't exit your LAN at all, once it hits your router, it is stripped and your data is packed with a different MAC address on the WAN (or any other layer 2 identifier depending on your connection), same for each hop after that.

If you use EUI-64 as your interface ID in IPv6, your MAC address is part of your IPv6 address. That said, no modern OS does that anymore, times 1% of IPv6-enabled users, so the closer term is "almost never".

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