311 MPs opposed the proposal
29 Labour MPs supported the proposal
186 Conservative MPs supported the proposal
13 Lib Dem MPs supported the proposal
The Lib Dem rebels were:
Annette BrookeAlistair CarmichaelTim FarronSandra GidleyAndrew GeorgeMike HancockDavid HeathJohn HemmingPaul HolmesMartin HorwoodGreg MulhollandJohn PughRichard Younger-Ross
David Heath, Tim Farron and Alistair Carmichael have resigned from the Lib Dem front-bench. Nick Clegg's decided not to punish any of the remaining rebels.
P.S. Do check out I Want a Referendum's response.