// IP address manipulations // // IPv4 addresses are 4 bytes; IPv6 addresses are 16 bytes. // An IPv4 address can be converted to an IPv6 address by // adding a canonical prefix (10 zeros, 2 0xFFs). // This library accepts either size of byte slice but always // returns 16-byte addresses. package net // IP address lengths (bytes). const ( IPv4len = 4 IPv6len = 16 ) // An IP is a single IP address,
![GoのnetパッケージにおけるIPアドレスの内部表現 - Qiita](https://cdn-ak-scissors.b.st-hatena.com/image/square/0c8fd1f298898b1de052f830076e6f251a0cb757/height=288;version=1;width=512/https%3A%2F%2Fqiita-user-contents.imgix.net%2Fhttps%253A%252F%252Fcdn.qiita.com%252Fassets%252Fpublic%252Farticle-ogp-background-9f5428127621718a910c8b63951390ad.png%3Fixlib%3Drb-4.0.0%26w%3D1200%26mark64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTkxNiZoPTMzNiZ0eHQ9R28lRTMlODElQUVuZXQlRTMlODMlOTElRTMlODMlODMlRTMlODIlQjElRTMlODMlQkMlRTMlODIlQjglRTMlODElQUIlRTMlODElOEElRTMlODElOTElRTMlODIlOEJJUCVFMyU4MiVBMiVFMyU4MyU4OSVFMyU4MyVBQyVFMyU4MiVCOSVFMyU4MSVBRSVFNSU4NiU4NSVFOSU4MyVBOCVFOCVBMSVBOCVFNyU4RiVCRSZ0eHQtY29sb3I9JTIzMjEyMTIxJnR4dC1mb250PUhpcmFnaW5vJTIwU2FucyUyMFc2JnR4dC1zaXplPTU2JnR4dC1jbGlwPWVsbGlwc2lzJnR4dC1hbGlnbj1sZWZ0JTJDdG9wJnM9MWMzYjgyM2FhNjExMDdlMjNkOGRmZjM0ODNkZDg5ODM%26mark-x%3D142%26mark-y%3D112%26blend64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTYxNiZ0eHQ9JTQwY3ViaWNkYWl5YSZ0eHQtY29sb3I9JTIzMjEyMTIxJnR4dC1mb250PUhpcmFnaW5vJTIwU2FucyUyMFc2JnR4dC1zaXplPTM2JnR4dC1hbGlnbj1sZWZ0JTJDdG9wJnM9ZDE5Zjk1NmE1YzZkMjc3NGY2Mzk1ZmIyNTY0OTY3NTE%26blend-x%3D142%26blend-y%3D491%26blend-mode%3Dnormal%26s%3D2630d6b35e5c719384c55e02791c708e)