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rb:ipsubnets [11/09/2019 00:08] (current)
andrew created
Line 1: Line 1:
 +====== TCP/IP Subnets (IPv4) ======
 +
 +
 +
 +Netmask ​             Netmask (binary) ​                ​CIDR ​    ​Notes ​   \\
 +_____________________________________________________________________________\\
 +255.255.255.255 ​ 11111111.11111111.11111111.11111111 ​ /32  Host (single addr)\\
 +255.255.255.254 ​ 11111111.11111111.11111111.11111110 ​ /31  Unuseable\\
 +255.255.255.252 ​ 11111111.11111111.11111111.11111100 ​ /30    2  useable\\
 +255.255.255.248 ​ 11111111.11111111.11111111.11111000 ​ /29    6  useable\\
 +255.255.255.240 ​ 11111111.11111111.11111111.11110000 ​ /28   ​14 ​ useable\\
 +255.255.255.224 ​ 11111111.11111111.11111111.11100000 ​ /27   ​30 ​ useable\\
 +255.255.255.192 ​ 11111111.11111111.11111111.11000000 ​ /26   ​62 ​ useable\\
 +255.255.255.128 ​ 11111111.11111111.11111111.10000000 ​ /25  126  useable\\
 +255.255.255.0 ​   11111111.11111111.11111111.00000000 ​ /24 "Class C" 254 useable\\
 +\\
 +255.255.254.0 ​   11111111.11111111.11111110.00000000 ​ /23    2  Class C's\\
 +255.255.252.0 ​   11111111.11111111.11111100.00000000 ​ /22    4  Class C's\\
 +255.255.248.0 ​   11111111.11111111.11111000.00000000 ​ /21    8  Class C's\\
 +255.255.240.0 ​   11111111.11111111.11110000.00000000 ​ /20   ​16 ​ Class C's\\
 +255.255.224.0 ​   11111111.11111111.11100000.00000000 ​ /19   ​32 ​ Class C's\\
 +255.255.192.0 ​   11111111.11111111.11000000.00000000 ​ /18   ​64 ​ Class C's\\
 +255.255.128.0 ​   11111111.11111111.10000000.00000000 ​ /17  128  Class C's\\
 +255.255.0.0 ​     11111111.11111111.00000000.00000000 ​ /16  "Class B"\\
 +\\
 +255.254.0.0 ​     11111111.11111110.00000000.00000000 ​ /15    2  Class B's\\
 +255.252.0.0 ​     11111111.11111100.00000000.00000000 ​ /14    4  Class B's\\
 +255.248.0.0 ​     11111111.11111000.00000000.00000000 ​ /13    8  Class B's\\
 +255.240.0.0 ​     11111111.11110000.00000000.00000000 ​ /12   ​16 ​ Class B's\\
 +255.224.0.0 ​     11111111.11100000.00000000.00000000 ​ /11   ​32 ​ Class B's\\
 +255.192.0.0 ​     11111111.11000000.00000000.00000000 ​ /10   ​64 ​ Class B's\\
 +255.128.0.0 ​     11111111.10000000.00000000.00000000 ​ /9   ​128 ​ Class B's\\
 +255.0.0.0 ​       11111111.00000000.00000000.00000000 ​ /8   "​Class A"\\
 +\\
 +254.0.0.0 ​       11111110.00000000.00000000.00000000 ​ /7\\
 +252.0.0.0 ​       11111100.00000000.00000000.00000000 ​ /6\\
 +248.0.0.0 ​       11111000.00000000.00000000.00000000 ​ /5\\
 +240.0.0.0 ​       11110000.00000000.00000000.00000000 ​ /4\\
 +224.0.0.0 ​       11100000.00000000.00000000.00000000 ​ /3\\
 +192.0.0.0 ​       11000000.00000000.00000000.00000000 ​ /2\\
 +128.0.0.0 ​       10000000.00000000.00000000.00000000 ​ /1\\
 +0.0.0.0 ​         00000000.00000000.00000000.00000000 ​ /0   IP space\\
  

rb/ipsubnets.txt ยท Last modified: 11/09/2019 00:08 by andrew