sdf

/25 (1 subnet bit)
/26 (2 subnet bits)
/27 (3 subnet bits)
/28 (4 subnet bits)
/29 (5 subnet bits)
/30 (6 subnet bits)
1 subnet
3 subnets
7 subnets
15 subnets
31 subnets
63 subnets
126 hosts
62 hosts
30 hosts
14 hosts
6 hosts
2 hsots
.0
.0
(.1- .2)
.0
(.1- .6 )
.4
.4
(.5- .6)
4/13/2007
.0
(.1- .14)
.8
.8
(.9- .10)
.8
(.9- .14)
.12
.12
(.13- .14)
.0
.1- .30)
.16
.16
(.17- .18)
.16
(.17- .22)
.20
.20
(.21- .22)
.16
(.17- .30)
.24
.24
(.25- .26)
.24
(.25- .30)
.28
.28
(.29- .30)
.0
(.1- .62)
.32
.32
(.33- .34)
.32
(.33- .38)
.36
.36
(.37- .38)
.32
(.33- .46)
.40
.40
(.41- .42)
.40
(.41- .46)
.44
.44
(.45- .46)
.32
.33- .62)
.48
.48
(.49- .50)
.48
(.49- .54)
.52
.52
(.53- .54)
.48
(.49- .62)
.56
.56
(.57- .58)
.56
(.57- .62)
.60
.60
(.61- .62)
.0
.64
.64
(.65- .66)
.64
(.65- .70)
.68
.68
(.69- .70)
.64
(.65- .78)
.72
.72
(.73- .74)
.72
(.73- .78)
.76
.76
(.77- .78)
.64
(.65- .94)
.80
.80
(.81- .82)
.80
(.81- .86)
.84
.84
(.85- .86)
.80
(.81- .94)
.88
.88
(.89- .90)
.88
(.89- .94)
.92
.92
(.93- .94)
.96
.64
(.65- .126)
.96
(.97- .98)
.96
(.97- .102)
.100
.100 (.101- .102)
.96
(.97- .110)
.104
.104 (.105- .106)
.104
(.105- .110)
.108
.108 (.109- .110)
.96
(.97- .126)
.112
.112 (.113- .114)
.112
(.113- .118)
.116
.116 (.117- .118)
.112 (.113- .126)
.120
.120 (.121- .122)
.120
(.121- .126)
.124
.124 (.125- .126)
.128
.128 (.129- .130)
.128
(.129- .134)
.132
.132 (.133- .134)
.128 (.129- .142)
.136
.136 (.137- .138)
.136
(.137- .142)
.140
.140 (.141- .142)
.128 (.129- .158)
Compiled by Lee Toderick
.144
.144 (.145- .146)
.144
(.145- .150)
.148
.148 (.149- .150)
Originally Authored by Dale Henninger
.144 (.145- .158)
.152
.152 (.153- .154)
.152
(.153- .158)
.156
.156 (.157- .158)
.128
(.129- .190)
.160
.160 (.161- .162)
.160
(.161- .166)
.164
.164 (.165- .166)
.160 (.161- .174)
.168
.168 (.169- .170)
.168
(.169- .174)
.172
.172 (.173- .174)
.160 (.161- .190)
.176
.176 (.177- .178)
.176
(.177- .182)
.180
.180 (.181- .182)
.176 (.177- .190)
.184
.184 (.185- .186)
.184
(.185- .190)
.188
.188 (.189- .190)
.192
.128
.192 (.193- .194)
.192
(.193- .198)
.196
.196 (.197- .198)
.192 (.193- .206)
.200
.200 (.201- .202)
.200
(.201- .206)
.204
.204 (.205- .206)
.192 (.193- .222)
.208
.208 (.209- .210)
.208
(.209- .214)
.212
.212 (.213- .214)
.208 (.209- .222)
.216
.216 (.217- .218)
.216
(.217- .222)
.220
.220 (.221- .222)
.192
(.193- .254)
.224
.224 (.225- .226)
.224
(.225- .230)
.228
.228 (.229- .230)
.224 (.225- .238)
.232
.232 (.233- .234)
.232
(.233- .238)
.236
.236 (.237- .238)
.224 (.225- .254)
.240
.240 (.241- .242)
.240
(.241- .246)
.244
.244 (.245- .246)
.240 (.241- .254)
.248
.248 (.249- .250)
.248
(.249- .254)
.252
.252 (.253- .254)
Subnet Addressing for Last Octet
/25 (1 subnet bit)
/26 (2 subnet bits)
/27 (3 subnet bits)
/28 (4 subnet bits)
/29 (5 subnet bits)
/30 (6 subnet bits)
1 subnet
3 subnets
7 subnets
15 subnets
31 subnets
63 subnets
126 hosts
62 hosts
30 hosts
14 hosts
6 hosts
2 hsots

---