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	<title>运维部落 &#187; CIDR</title>
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		<title>子网划分CIDR值</title>
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		<pubDate>Fri, 11 Nov 2016 03:11:44 +0000</pubDate>
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		<category><![CDATA[CIDR]]></category>
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		<description><![CDATA[CIDR值： 1.掩码255.0.0.0:/8(A类地址默认掩码） 2.掩码255.128.0.0:/9 3.掩码255.192.0.0:/10 4.掩码255.224.0.0:/11 5.掩码255.240.0.0:/12 6.掩码255.248.0.0:/13 7.掩码255.252.0.0:/14 8.掩码255.254.0.0:/15 9.掩码255.255.0.0:/16(B类地址默认掩码） 10.掩码255.255.128.0:/17 11.掩码255.255.192.0:/18 12.掩码255.255.224.0:/19 13.掩码255.255.240.0:/20 14.掩码255.255.248.0:/21 15.掩码255.255.252.0:/22 16.掩码255.255.254.0:/23 17.掩码255.255.255.0:/24(C类地址默认掩码） 18.掩码255.255.255.128:/25 19.掩码255.255.255.192:/26 20.掩码255.255.255.224:/27 21.掩码255.255.255.240:/28 22.掩码255.255.255.248:/29 23.掩码255.255.255.252:/30 Subnetting Class A,B &#038; C Address 。]]></description>
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