Netgear RM356 RM356 Reference Manual - Page 28

The number 192.68.135.127 is not assigned because it is the broadcast address - replacement

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Reference Guide for the Model RM356 Modem Router Note: The number 192.68.135.127 is not assigned because it is the broadcast address of the first subnet. And 192.68.135.128 is not assigned because it is the network address of the second subnet. Table 1-1 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 instance, to partition your Class C network 204.247.203.0 with subnet mask 255.255.255.0 into 16 subnets (4 bits), the new subnet mask becomes 255.255.255.240. Table 1-1. 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 1-10 Introduction

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Reference Guide for the Model RM356 Modem Router
1-10
Introduction
Table 1-1
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 instance, to partition your Class C network 204.247.203.0 with subnet
mask 255.255.255.0 into 16 subnets (4 bits), the new subnet mask becomes 255.255.255.240.
Note:
The number 192.68.135.127 is not assigned because it is the broadcast address
of the first subnet. And 192.68.135.128 is not assigned because it is the network address
of the second subnet.
Table 1-1.
Netmask Notation Translation Table for One Octet
Number of Bits
Dotted-Decimal Value
1
128
2
192
3
224
4
240
5
248
6
252
7
254
8
255