calculando hosts usando um endereço de rede

Question

IP e / ou máscara de sub-rede não é permitido para uso em uma porta

Eu fiz certo?

Eu acho que há algo errado

HOST    BB  NSM DELTA   Octet   NA           FUH            LUH            BA
510     9   23  2        3rd    120.0.0.0    120.0.0.1      120.0.1.254   120.0.1.255
500     9   23  2        3rd    120.0.2.0    120.0.2.1      120.0.3.254   120.0.3.255
128     8   24  1        3rd    120.0.4.0    120.0.4.1      120.0.4.254   120.0.4.255
115     7   25  128      4th    120.0.5.0    120.0.5.1      120.0.5.126   120.0.5.127
110     7   25  128      4th    120.0.5.128  120.0.5.129    120.0.5.144   120.0.5.145
90      7   25  128      4th    120.0.5.146  120.0.5.147    120.0.5.245   120.0.5.246
80      7   25  128      4th    120.0.5.247  120.0.5.248    120.0.6.81    120.0.6.82
60      6   26  64       4th    120.0.6.83   120.0.6.84     120.0.6.145   120.0.6.146
40      6   26  64       4th    120.0.6.147  120.0.6.148    120.0.6.161   120.0.6.162
30      5   27  32       4th    120.0.6.163  120.0.6.164    120.0.6.193   120.0.6.194
2       2   30  4        4th    120.0.6.195  120.0.6.196    120.0.6.197   120.0.6.198
2       2   30  4        4th    120.0.6.199  120.0.6.200    120.0.6.201   120.0.6.202
2       2   30  4        4th    120.0.6.203  120.0.6.204    120.0.6.205   120.0.6.206
2       2   30  4        4th    120.0.6.207  120.0.6.208    120.0.6.209   120.0.6.210
2       2   30  4        4th    120.0.6.211  120.0.6.212    120.0.6.213   120.0.6.214
2       2   30  4        4th    120.0.6.215  120.0.6.216    120.0.6.217   120.0.6.218
2       2   30  4        4th    120.0.6.219  120.0.6.220    120.0.6.221   120.0.6.222
2       2   30  4        4th    120.0.6.223  120.0.6.224    120.0.6.225   120.0.6.226
2       2   30  4        4th    120.0.6.227  120.0.6.228    120.0.6.229   120.0.6.230
2       2   30  4        4th    120.0.6.231  120.0.6.232    120.0.6.233   120.0.6.234
2       2   30  4        4th    120.0.6.235  120.0.6.236    120.0.6.237   120.0.6.238
2       2   30  4        4th    120.0.6.239  120.0.6.240    120.0.6.241   120.0.6.242
2       2   30  4        4th    120.0.6.243  120.0.6.244    120.0.6.245   120.0.6.246
2       2   30  4        4th    120.0.6.247  120.0.6.248    120.0.6.249   120.0.6.250
2       2   30  4        4th    120.0.6.251  120.0.6.252    120.0.6.214   120.0.6.215
2       2   30  4        4th    120.0.6.216  120.0.6.217    120.0.6.253   120.0.6.254
2       2   30  4        4th    120.0.6.255  120.0.7.0      120.0.7.2     120.0.7.3
2       2   30  4        4th    120.0.7.4    120.0.7.5      120.0.7.6     120.0.7.7
2       2   30  4        4th    120.0.7.8    120.0.7.9      120.0.7.10    120.0.7.11
2       2   30  4        4th    120.0.7.12   120.0.7.13     120.0.7.14    120.0.7.15
2       2   30  4        4th    120.0.7.16   120.0.7.17     120.0.7.18    120.0.7.19