You don't have to use really long IPv6 addresses. If you get a /48, you can leave all the rest of the bits zeroed out, and they'll be shown as "::" in the nota

You don't have to use really long IPv6 addresses. If you get a /48, you can leave all the rest of the bits zeroed out, and they'll be shown as "::" in the notation; then your whole address is just a triplet like X:Y:Z::, where each individual X might be between 1 and 4 characters long. If you run your own ASN, you'll probably get a /32 IPv6, then the shortest possible address is even shorter than with a /24 IPv4: xxxx:xxxx:: is shorter than xxx.xxx.xxx.x Of course, for privacy, you're supposed to get a randomly-generated 64bits, but you can disable that setting in your favourite address, and use static addressing.