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Learn Windows XP Professional: TCP/IP Addressing in Windows XP Professional (Page 5) Page 5


TCP/IP Class D Address Overview

The IP version 4 addresses of 224.0.0.0 through 239.255.255.255 are set aside through IANA (Internet Assigned Numbers Authority) as a special class of addresses for Multicast uses.

At the present, ISPs are unable to allocate Class D address space to their customers. These addresses must be allocated through IANA.

Class D addresses are only required if you wish to be a multicast source. You can still receive multicast data without the need for a separate Class D address.


TCP/IP Class E Address Overview

The IP version 4 addresses of 240.0.0.0 to 254.255.255.255 are set aside by IANA (Internet Assigned Numbers Authority) as a special class of addresses for experimental and future use.

The IP address of 255.255.255.255 broadcasts to all hosts on the local network and therefore is not to be considered as part of the E class of IP addresses.


That's a wrap for this week. Be sure to check back in next week for the next article in this series.

In the meantime, best of luck in your studies and please feel free to contact me with any questions on my column and remember,


"The fact that the grass is greener on the other side of the fence is directly proportional to how much manure is being used on the property."


Jason Zandri
Jason@Zandri.net

www.2000trainers.com


This article was originally published on Aug 5, 2002
Page 5 of 5

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