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← Revision 8 as of 2013-07-13 06:53:03 → ⇥
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Editor: WiltonFre
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Deletions are marked like this. Additions are marked like this.
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IPv4 network addressing cheat sheet, with CIDR notation, number of addresses, and masks.

{{{
CIDR Total number Network Description:
Notation: of addresses: Mask:
--------------------------------------------------------------
/0 4,294,967,296 0.0.0.0 Every Address
/1 2,147,483,648 128.0.0.0 128 /8 nets
/2 1,073,741,824 192.0.0.0 64 /8 nets
/3 536,870,912 224.0.0.0 32 /8 nets
/4 268,435,456 240.0.0.0 16 /8 nets
/5 134,217,728 248.0.0.0 8 /8 nets
/6 67,108,864 252.0.0.0 4 /8 nets
/7 33,554,432 254.0.0.0 2 /8 nets
/8 16,777,214 255.0.0.0 1 /8 net
--------------------------------------------------------------
/9 8,388,608 255.128.0.0 128 /16 nets
/10 4,194,304 255.192.0.0 64 /16 nets
/11 2,097,152 255.224.0.0 32 /16 nets
/12 1,048,576 255.240.0.0 16 /16 nets
/13 524,288 255.248.0.0 8 /16 nets
/14 262,144 255.252.0.0 4 /16 nets
/15 131.072 255.254.0.0 2 /16 nets
/16 65,536 255.255.0.0 1 /16
--------------------------------------------------------------
/17 32,768 255.255.128.0 128 /24 nets
/19 16,384 255.255.192.0 64 /24 nets
/19 8,192 255.255.224.0 32 /24 nets
/20 4,096 255.255.240.0 16 /24 nets
/21 2,048 255.255.248.0 8 /24 nets
/22 1,024 255.255.252.0 4 /24 nets
/23 512 255.255.254.0 2 /24 nets
/24 256 255.255.255.0 1 /24
--------------------------------------------------------------
/25 128 255.255.255.128 Half of a /24
/26 64 255.255.255.192 Fourth of a /24
/27 32 255.255.255.224 Eighth of a /24
/28 16 255.255.255.240 1/16th of a /24
/29 8 255.255.255.248 5 Usable addresses
/30 4 255.255.255.252 1 Usable address
/31 2 255.255.255.254 Unusable
/32 1 255.255.255.255 Single host
--------------------------------------------------------------
}}}
----
CategoryCheatSheet		 Greetings. Let me start by telling you the author's name - Kermit Casteel. Production and planning is what he does in his day job and his salary has been really fulfilling. To dance is the hobby he will never stop doing. Iowa is where he's always been living. He's not godd at design but you might want to check his website: http://www.herbsecret.co.uk

Greetings. Let me start by telling you the author's name - Kermit Casteel. Production and planning is what he does in his day job and his salary has been really fulfilling. To dance is the hobby he will never stop doing. Iowa is where he's always been living. He's not godd at design but you might want to check his website: http://www.herbsecret.co.uk

SamatsWiki: CheatSheet/IPv4CIDRNotation (last edited 2013-07-17 23:02:03 by SamatJain)