Well after more chats on IRC we think 32 super nets are better. So thats

10.0.0.1 > 10.7.254.254

10.8.0.1 > 10.15.254.254

10.16.0.1 > 10.23.254.254 Auckland

10.24.0.1 > 10.31.254.254

10.32.0.1 > 10.39.254.254 Wellington

10.40.0.1 > 10.47.254.254

10.48.0.1 > 10.55.254.254 Christchurch

10.56.0.1 > 10.63.254.254

10.64.0.1 > 10.7.254.254


....and so on