1) 215.83.25.0 => 255.255.255.X 6 ~= 2^3 => 3 bits de máscara subred => 8 - 3 = 5 bits de host Máscara global de red: 2^7 + 2^6 + 2^5 = 224 => 255.255.255.224 Número de hosts: 2^5 - 2 = 30 Dir. Subred | Dir. Bcast | Rango IPs ---------------------------------|---------------|------------------ 000 00000 = 0 => 215.83.25.0 | 215.83.25.31 | 215.83.25.1-30 001 00000 = 32 => 215.83.25.32 | 215.83.25.63 | 215.83.25.33-62 010 00000 = 64 => 215.83.25.64 | 215.83.25.95 | 215.83.25.65-94 011 00000 = 96 => 215.83.25.96 | 215.83.25.127 | 215.83.25.97-126 100 00000 = 128 => 215.83.25.128 | 215.83.25.159 | 215.83.25.129-158 101 00000 = 160 => 215.83.25.160 | 215.83.25.191 | 215.83.25.161-190 2) 116.0.0.0 => 255.X.X.X 15 ~= 2^4 => 4 bits de máscara subred => 24 - 4 = 20 bits de host Máscara global de red: 255.240.0.0 Número de hosts: 2^20 - 2 = 1 048 574 Dir. Subred | Dir. Bcast | Rango IPs -------------------------------|-----------------|------------------------------ 0000 0000 = 0 => 116.0.0.0 | 116.15.255.255 | 116.0.0.1 - 116.15.255.254 0001 0000 = 16 => 116.16.0.0 | 116.31.255.255 | 116.16.0.1 - 116.31.255.254 0010 0000 = 32 => 116.32.0.0 | 116.47.255.255 | 116.32.0.1 - 116.47.255.254 0011 0000 = 48 => 116.48.0.0 | 116.63.255.255 | 116.48.0.1 - 116.63.255.254 0100 0000 = 64 => 116.64.0.0 | 116.79.255.255 | 116.64.0.1 - 116.79.255.254 0101 0000 = 80 => 116.80.0.0 | 116.95.255.255 | 116.80.0.1 - 116.95.255.254 0110 0000 = 96 => 116.96.0.0 | 116.111.255.255 | 116.96.0.1 - 116.111.255.254 0111 0000 = 112 => 116.112.0.0 | 116.127.255.255 | 116.112.0.1 - 116.127.255.254 1000 0000 = 128 => 116.128.0.0 | 116.143.255.255 | 116.128.0.1 - 116.143.255.254 1001 0000 = 144 => 116.144.0.0 | 116.159.255.255 | 116.144.0.1 - 116.159.255.254 1010 0000 = 160 => 116.160.0.0 | 116.175.255.255 | 116.160.0.1 - 116.175.255.254 1011 0000 = 176 => 116.176.0.0 | 116.191.255.255 | 116.176.0.1 - 116.191.255.254 1100 0000 = 192 => 116.192.0.0 | 116.207.255.255 | 116.192.0.1 - 116.207.255.254 1101 0000 = 208 => 116.208.0.0 | 116.223.255.255 | 116.208.0.1 - 116.223.255.254 1110 0000 = 224 => 116.224.0.0 | 116.239.255.255 | 116.224.0.1 - 116.239.255.254 3) 183.24.0.0 => 255.255.X.X 10 ~= 2^4 => 4 bits de máscara subred => 16 - 4 = 12 bits de host Máscara global de red: 255.255.240.0 Número de hosts: 2^12 - 2 = 4094 Dir. Subred | Dir. Bcast | Rango IPs --------------------------------|-----------------|------------------------------ 0000 0000 = 0 => 183.24.0.0 | 183.24.15.255 | 183.24.0.1 - 183.24.15.254 0001 0000 = 16 => 183.24.16.0 | 183.24.31.255 | 183.24.16.1 - 183.24.31.254 0010 0000 = 32 => 183.24.32.0 | 183.24.47.255 | 183.24.32.1 - 183.24.47.254 0011 0000 = 48 => 183.24.48.0 | 183.24.63.255 | 183.24.48.1 - 183.24.63.254 0100 0000 = 64 => 183.24.64.0 | 183.24.79.255 | 183.24.64.1 - 183.24.79.254 0101 0000 = 80 => 183.24.80.0 | 183.24.95.255 | 183.24.80.1 - 183.24.95.254 0110 0000 = 96 => 183.24.96.0 | 183.24.111.255 | 183.24.96.1 - 183.24.111.254 0111 0000 = 112 => 183.24.112.0 | 183.24.127.255 | 183.24.112.1 - 183.24.127.254 1000 0000 = 128 => 183.24.128.0 | 183.24.143.255 | 183.24.128.1 - 183.24.143.254 1001 0000 = 144 => 183.24.144.0 | 183.24.159.255 | 183.24.144.1 - 183.24.159.254