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<DIV><FONT face=Arial size=2><FONT face="Times New Roman" size=3><FONT
face=Arial size=2>What is an IP Block? Is it a range of IP addresses
that the node can use? <SPAN class=558502201-29042003><FONT
face=Tahoma color=#000080> Yes that's right. </FONT></SPAN>What is
the /28 part of the address? <SPAN class=558502201-29042003><FONT
face=Tahoma color=#000080> The /28 denotes the length of the subnet mask
in bits. It effectively dictates how many IP addresses are in your subnet
(network)</FONT></SPAN></FONT></FONT></FONT></DIV>
<DIV><FONT face=Arial size=2><FONT face="Times New Roman" size=3><FONT
face=Tahoma color=#000080 size=2><SPAN
class=558502201-29042003></SPAN></FONT></FONT></FONT> </DIV>
<DIV><FONT size=2><FONT size=3><FONT face=Arial size=2><SPAN
class=558502201-29042003>for example;</SPAN></FONT></FONT></FONT></DIV>
<DIV><FONT size=2><FONT size=3><FONT face=Arial size=2><SPAN
class=558502201-29042003></SPAN></FONT></FONT></FONT> </DIV>
<DIV><FONT size=2><FONT size=3><FONT size=2><SPAN
class=558502201-29042003>(each number in the subnet mask represents 8 bits)
</SPAN></FONT></FONT></FONT></DIV>
<DIV><FONT size=2><FONT size=3><FONT face=Arial size=2><SPAN
class=558502201-29042003></SPAN></FONT></FONT></FONT> </DIV>
<DIV><FONT size=2><FONT size=3><FONT size=2><SPAN class=558502201-29042003>/24
= Subnet Mask 255.255.255.0 (256 IP
addresses)</SPAN></FONT></FONT></FONT></DIV>
<DIV><FONT size=2><FONT size=3><FONT size=2><SPAN class=558502201-29042003>/25
= Subnet Mask 255.255.255.128 (128 IP
addresses)</SPAN></FONT></FONT></FONT></DIV>
<DIV><FONT size=2><FONT size=3><FONT size=2><SPAN class=558502201-29042003>/26
= Subnet Mask 255.255.255.192 (64 IP
addresses)</SPAN></FONT></FONT></FONT></DIV>
<DIV><FONT size=2><FONT size=3><FONT size=2><SPAN class=558502201-29042003>/27
= Subnet Mask 255.255.255.224 (32 IP
addresses)</SPAN></FONT></FONT></FONT></DIV>
<DIV><FONT size=2><FONT size=3><FONT size=2><SPAN class=558502201-29042003>/28
= Subnet Mask 255.255.255.240 (16 IP
addresses)</SPAN></FONT></FONT></FONT></DIV></BLOCKQUOTE></BODY></HTML>