What libs have you used for that? How compatible are they with one another? Or did you write your own parsing routine? I'm particularly interested in mutually-compatible implementations for Java, C++, Python, and JavaScript, which support: zero compression ("::") IPv4-mapped addresses ("::ffff:123.45.67.89") canonicalization (including to the short form, for human readability) CIDR-style netmasks (like "/64" at the end) Continue reading...
