Lantronix XPress DR User Manual

B: Network Configuration Using UDP
XPress™ DR Industrial Device Server User Guide 83
Table B-15 Standard IP Network Netmasks
Network Class
Network Bits
Host Bits
Netmask
A
8
24
255.0.0.0
B
16
16
255.255.0.0
C
24
8
255.255.255.0
Table B-16 Netmask Examples
Netmask Host Bits
255.255.255.252
2
255.255.255.248
3
255.255.255.240
4
255.255.255.224
5
255.255.255.192
6
255.255.255.128
7
255.255.255.0
8
255.255.254.0
9
255.255.252.0
10
255.255.248.0
11
...
...
255.128.0.0
23
255.0.0.0
24
Private IP Networks and the Internet
If your network is not and will not be connected to the Internet, you may use any IP address. If
your network is connected or will be connected to the Internet, or if you intend to operate the
device server on an intranet, you should use one of the reserved sub-networks. Consult your
network administrator with questions about IP address assignment.
Network RFCs
For more information about IP addresses, refer to the following documents, which can be located
on the World Wide Web using one of the following directories or indices:
 RFC 950 Internet Standard Subnetting Procedure
 RFC 1700 Assigned Numbers
 RFC 1117 Internet Numbers
 RFC 1597 Address Allocation for Private Networks.

Lantronix XPress DR Specifications

General

Brand	Lantronix
Model	XPress DR
Category	Server
Language	English