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Re:This is a valid ipv4 address by throwawaykf on Monday October 21, 2013 @01:05AM (#6583462)
More encodings:

http://[0:0:0:0:0:ffff:b8ac:a4a]

http://asdf:qwerty@3098282570/

http://asdf:qwerty@[0:0:0:0:0:ffff:b8ac:a4a]:80

(Might get a security/phishing warning on the last two links in some browsers.)

Re:This is a valid ipv4 address by throwawaykf on Monday October 21, 2013 @09:04AM (#6585176)
And another way of doing the first one:

http://[0::0:ffff:b8ac:a4a]/

Re:This is a valid ipv4 address by icoder on Monday October 21, 2013 @05:39AM (#6584398)
No warnings in Chrome