LAN world stopped working as in like the IPs will be like 0.0.0.0:63756 instead of what it should be

Duplicate of MC-2583 , please use the search function to see if your bug has already been submitted. Currently over 25% of tickets are being closed as duplicate.

As well invalid do to insufficient information.

Personal Note: Appears to be fixed in 1.4.5 according to parent ticket.