Just discovered this. Are there any other groups aside from 43* and now 23* [update: oh, and 37*, whoops] that are using a number as a domain prefix? It seems unwise—you can’t copyright or otherwise protect a number, right? (One of my favourite naming fuckups is the motorway situation in the UK. At one point they decided give the motorway-class roads the M prefix; roads not quite up to that standard were given the A prefix. All of which meant that when they upgraded parts of the A1 to M-class standard, they had to call those parts the A1(M)…)