Netgear PS121 PS121v1 User Manual - Page 31
Table 4-1., Netmask Notation Translation Table for One Octet, Netmask Formats
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User Manual for the NETGEAR PS121 Mini Print Server Note: The number 192.68.135.127 is not assigned because it is the broadcast address of the first subnet. The number 192.68.135.128 is not assigned because it is the network address of the second subnet. The following table lists the additional subnet mask bits in dotted-decimal notation. To use the table, write down the original class netmask and replace the 0 value octets with the dotted-decimal value of the additional subnet bits. For example, to partition your Class C network with subnet mask 255.255.255.0 into 16 subnets (4 bits), the new subnet mask becomes 255.255.255.240. Table 4-1. Netmask Notation Translation Table for One Octet Number of Bits 1 2 3 4 5 6 7 8 Dotted-Decimal Value 128 192 224 240 248 252 254 255 The following table displays several common netmask values in both the dotted-decimal and the masklength formats. Table 4-2. Netmask Formats Dotted-Decimal 255.0.0.0 255.255.0.0 255.255.255.0 255.255.255.128 255.255.255.192 255.255.255.224 255.255.255.240 255.255.255.248 Masklength /8 /16 /24 /25 /26 /27 /28 /29 Understanding IP Addresses B-5