NETGEAR DG834GT User Manual
Page 122
Reference Manual for the Model DG834GT 108 Mbps Super Wireless ADSL Router
B-6
Network and Routing Basics
August 2004
The following table displays several common netmask values in both the dotted-decimal and the
masklength formats.
NETGEAR strongly recommends that you configure all hosts on a LAN segment to use the same
netmask for the following reasons:
•
So that hosts recognize local IP broadcast packets
Table 8-1.
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
Table 8-2.
Netmask Formats
Dotted-Decimal
Masklength
255.0.0.0
/8
255.255.0.0
/16
255.255.255.0
/24
255.255.255.128
/25
255.255.255.192
/26
255.255.255.224
/27
255.255.255.240
/28
255.255.255.248
/29
255.255.255.252
/30
255.255.255.254
/31
255.255.255.255
/32