From: Danny McPherson Subject: Re: Does anyone know of a reverse netmask reference chart 0.0.0.255 - /24, etc... Date: 1998/10/19 Message-ID: <908861287.11700@news.Colorado.EDU>#1/1 Distribution: world Approved: news@news.colorado.edu Sender: daemon@lace.colorado.edu Content-Type: text/plain; charset=us-ascii X-Note1: message-id generated by recnews X-Note2: mail msgid was <199810200331.DAA06387@ice.genuity.net> Organization: University of Colorado at Boulder Mime-Version: 1.0 Reply-To: danny@genuity.net Newsgroups: comp.dcom.sys.cisco Classless Inter-Domain Routing (CIDR) to Dotted Decimal Notation CIDR Dotted Decimal Inverse Dotted Decimal _______________________________________________________________________ /1 128.0.0.0 127.255.255.255 /2 192.0.0.0 63.255.255.255 /3 224.0.0.0 31.255.255.255 /4 240.0.0.0 15.255.255.255 /5 248.0.0.0 7.255.255.255 /6 252.0.0.0 3.255.255.255 /7 254.0.0.0 1.255.255.255 /8 255.0.0.0 0.255.255.255 _______________________________________________________________________ /9 255.128.0.0 0.127.255.255 /10 255.192.0.0 0.63.255.255 /11 255.224.0.0 0.31.255.255 /12 255.240.0.0 0.15.255.255 /13 255.248.0.0 0.7.255.255 /14 255.252.0.0 0.3.255.255 /15 255.254.0.0 0.1.255.255 /16 255.255.0.0 0.0.255.255 _______________________________________________________________________ /17 255.255.128.0. 0.0.127.255 /18 255.255.192.0 0.0.63.255 /19 255.255.224.0 0.0.31.255 /20 255.255.240.0 0.0.15.255 /21 255.255.248.0 0.0.7.255 /22 255.255.252.0 0.0.3.255 /23 255.255.254.0 0.0.1.255 /24 255.255.255.0 0.0.0.255 _______________________________________________________________________ /25 255.255.255.128 0.0.0.127 /26 255.255.255.192 0.0.0.63 /27 255.255.255.224 0.0.0.31 /28 255.255.255.240 0.0.0.15 /29 255.255.255.248 0.0.0.7 /30 255.255.255.252 0.0.0.3 /31 255.255.255.254 0.0.0.1 /32 255.255.255.255 0.0.0.0