Subneting

.0 .4 .8 .12 .16 .0 (.1- .14)

.0
(.1- .6 ) (.9- .14) (.17- .22) (.25- .30) (.33- .38) (.41- .46) (.49- .54) (.57- .62) (.61- .62) (.65- .66) (.69- .70) (.73- .74) (.77- .78) (.81- .82) (.85- .86)(.89- .90) (.93- .94) (.97- .98) (.101- .102)
Originally Authored by Dale Henninger Compiled by Lee Toderick

.8 .0
.1- .30)

.20 .24 .28 .32 .36 .40 .44 .48 .52

.16 .16
(.17- .30)

.24.0
(.1- .62)

.32 .32
(.33- .46)

.40 .32
.33- .62)

.48 .48
(.49- .62)

.56 .60 .64 .68 .72 .76 .80 .84 .88 .92 .96 .100

.56

.0
.64
(.65- .70) (.73- .78) (.81- .86) (.89- .94)(.97- .102)

.64
(.65- .78)

.72 .64
(.65- .94)

.80 .80
(.81- .94)

.88 .64
(.65- .126)

.96 .96
(.97- .110)

.104 .108

.104 (.105- .110) .96
(.97- .126)

.112 .116 .120 .124 .128.132

.112 (.113- .118) .112 (.113- .126) .120 (.121- .126) .128 (.129- .134) .128 (.129- .142) .136 (.137- .142) .128 (.129- .158) .144 (.145- .150) .144 (.145- .158) .152 (.153- .158) .128
(.129-.190)

.136 .140 .144 .148 .152 .156 .160 .164 .168 .172 .176 .180 .184 .188

.160 (.161- .166) .160 (.161- .174) .168 (.169- .174) .160 (.161- .190) .176 (.177- .182) .176 (.177- .190) .184(.185- .190)

.192 .196 .200 .204 .208 .212 .216 Subnet Addressing for Last Octet .220 .224 .228 .232 .236 .240 .244 .248 .252 /25 (1 subnet bit) 1 subnet 126 hosts /26 (2 subnet bits) 3 subnets 62hosts

.128
.192 (.193- .206)

.192 (.193- .198) .200 (.201- .206) .192 (.193- .222) .208 (.209- .214) .208 (.209- .222) .216 (.217- .222) .192
(.193- .254)

.224 (.225- .230) .224 (.225- .238).232 (.233- .238) .224 (.225- .254) .240 (.241- .246)
.240 (.241- .254)

.248 (.249- .254)
/27 (3 subnet bits) 7 subnets 30 hosts /28 (4 subnet bits) 15 subnets 14 hosts /29 (5 subnet bits) 31subnets 6 hosts

.0 .4 .8 .12 .16 .20 .24 .28 .32 .36 .40 .44 .48 .52 .56 .60 .64 .68 .72 .76 .80 .84 .88 .92 .96 .100 .104 .108 .112 .116 .120 .124 .128 .132 .136 .140 .144 .148 .152 .156 .160 .164...