<?php
return [
['2601:1000::', '2601:1fff:ffff:ffff:ffff:ffff:ffff:ffff', ''],
['2601:2000::', '2601:3fff:ffff:ffff:ffff:ffff:ffff:ffff', ''],
['2601:4000::', '2601:7fff:ffff:ffff:ffff:ffff:ffff:ffff', ''],
['2601:8000::', '2601:ffff:ffff:ffff:ffff:ffff:ffff:ffff', ''],
['2601::', '2601:fff:ffff:ffff:ffff:ffff:ffff:ffff', 'US'],
];