| buubot | cfedde: 64 |
| cfedde | eval: 0b1000_0000 |
| buubot | cfedde: 128 |
| Woosta | 2 ** (32 - $mask) == $number_of_addresses |
| cfedde | um... |
| Woosta | Ergh .. did I get that right? |
| Frogzoo | Woosta s ** (32 - masklength) -2 Woosta 2 ** (32 - masklength) -2 |
| Woosta | Frogzoo: anyway, a single IP addres isn't in a given class. It's /32 Frogzoo: so I was right. You're '-2' just gets the useable addresses |
| Frogzoo | Woosta: sure it is, for instance, many routers assume 192.x.x.x has a /24 netmask, while 172. is /16 |