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<p>[QUOTE=&quot;smullen, post: 209272, member: 5165&quot;]Boundries and Netmasks are part of Subnetting using CIDR (Classless InterDomain Routing)...</p><p><br /></p><p>Its a kind of vodoo, where you Break up (subnet) bigger Blocks of IP addressses and or Aggragate(Supernet) IP Blocks together to make a bigger block, by changing the bit value of the Subnet mask....</p><p><br /></p><p>For examplle, looking at the network address of </p><p><br /></p><p>10.0.0.0 255.255.255.0 or /24 we know the block range starts at 10.0.0.0 and goes to 10.0.0.255</p><p><br /></p><p>now same block but change the Subnetmask /Cidr designation</p><p><br /></p><p>10.0.0.0 255.255.255.252 /30 we know the block range starts at 10.0.0.0 and goes to 10.0.0.3</p><p><br /></p><p>If you guys are really interested, here are a few links to more indepth info...</p><p><br /></p><p><a href="http://public.pacbell.net/dedicated/cidr.html" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://public.pacbell.net/dedicated/cidr.html" rel="nofollow">http://public.pacbell.net/dedicated/cidr.html</a></p><p><br /></p><p>http://www.petri.co.il/what&#039;s_cidr.htm</p><p><br /></p><p>I can with more if needed.. <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie1" alt=":)" unselectable="on" unselectable="on" /></p><p><br /></p><p>I dabble in this at work most days...&nbsp; I have a large repository of address space and I dole them out for our network devices, the Business networls be build and maintain and to the residential internet customers...&nbsp; </p><p><br /></p><p>Everyone talking or using the internet and every server on the net has to have atleast one IP or some sort, Public or Private...[/QUOTE]</p><p><br /></p>

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