Subnet mask tables


Subnet Mask: 255.0 Hex Mask: 0xffffff00 Subnet Mask: 255.248 Hex Mask: 0xfffffff8 Subnet Mask: 255.252 Hex Mask: 0xfffffffc
Subnet Bits: 24 Host Bits: 8 Subnet Bits: 29 Host Bits: 3 Subnet Bits: 30 Host Bits: 2
Subnets: 1 Hosts per Subnet: 254 Subnets: 32 Hosts per Subnet: 6 Subnets: 64 Hosts per Subnet: 2
Network # IP Range Broadcast Address Network # IP Range Broadcast Address Network # IP Range Broadcast Address
.0 .1-.254 .255 .0 .1-.6 .7 .0 .1-.2 .3
.8 .9-.14 .15 .4 .5-.6 .7
Subnet Mask: 255.128 Hex Mask: 0xffffff80 .16 .17-.22 .23 .8 .9-.10 .11
Subnet Bits: 25 Host Bits: 7 .24 .25-.30 .31 .12 .13-.14 .15
Subnets: 2 Hosts per Subnet: 126 .32 .33-.38 .39 .16 .17-.18 .19
Network # IP Range Broadcast Address .40 .41-.46 .47 .20 .21-.22 .23
.0 .1-.126 .127 .48 .49-.54 .55 .24 .25-.26 .27
.128 .129-.254 .255 .56 .57-.62 .63 .28 .29-.30 .31
.64 .65-.70 .71 .32 .33-.34 .35
Subnet Mask: 255.192 Hex Mask: 0xffffffc0 .72 .73-.78 .79 .36 .37-.38 .39
Subnet Bits: 26 Host Bits: 6 .80 .81-.86 .87 .40 .41-.42 .43
Subnets: 4 Hosts per Subnet: 62 .88 .89-.94 .95 .44 .45-.46 .47
Network # IP Range Broadcast Address .96 .97-.102 .103 .48 .49-.50 .51
.0 .1-.62 .63 .104 .105-.110 .111 .52 .53-.54 .55
.64 .65-.126 .127 .112 .113-.118 .119 .56 .57-.58 .59
.128 .129-.190 .191 .120 .121-.126 .127 .60 .61-.62 .63
.192 .193-.254 .255 .128 .129-.134 .135 .64 .65-.66 .67
.136 .137-.142 .143 .68 .69-.70 .71
Subnet Mask: 255.224 Hex Mask: 0xffffffe0 .144 .145-.150 .151 .72 .73-.74 .75
Subnet Bits: 27 Host Bits: 5 .152 .153-.158 .159 .76 .77-.78 .79
Subnets: 8 Hosts per Subnet: 30 .160 .161-.166 .167 .80 .81-.82 .83
Network # IP Range Broadcast Address .168 .169-.174 .175 .84 .85-.86 .87
.0 .1-.30 .31 .176 .177-.182 .183 .88 .89-.90 .91
.32 .33-.62 .63 .184 .185-.190 .191 .92 .93-.94 .95
.64 .65-.94 .95 .192 .193-.198 .199 .96 .97-.98 .99
.96 .97-.126 .127 .200 .201-.206 .207 .100 .101-.102 .103
.128 .129-.158 .159 .208 .209-.214 .215 .104 .105-.106 .107
.160 .161-.190 .191 .216 .217-.222 .223 .108 .109-.110 .111
.192 .193-.222 .223 .224 .225-.230 .231 .112 .113-.114 .115
.224 .225-.254 .255 .232 .233-.238 .239 .116 .117-.118 .119
.240 .241-.246 .247 .120 .121-.122 .123
Subnet Mask: 255.240 Hex Mask: 0xfffffff0 .248 .249-.254 .255 .124 .125-.126 .127
Subnet Bits: 28 Host Bits: 4 .128 .129-.130 .131
Subnets: 16 Hosts per Subnet: 14 .132 .133-.134 .135
Network # IP Range Broadcast Address .136 .137-.138 .139
.0 .1-.14 .15 .140 .141-.142 .143
.16 .17-.30 .31 .144 .145-.146 .147
.32 .33-.46 .47 .148 .149-.150 .151
.48 .49-.62 .63 .152 .153-.154 .155
.64 .65-.78 .79 .156 .157-.158 .159
.80 .81-.94 .95 .160 .161-.162 .163
.96 .97-.110 .111 .164 .165-.166 .167
.112 .113-.126 .127 .168 .169-.170 .171
.128 .129-.142 .143 .172 .173-.174 .175
.144 .145-.158 .159 .176 .177-.178 .179
.160 .161-.174 .175 .180 .181-.182 .183
.176 .177-.190 .191 .184 .185-.186 .187
.192 .193-.206 .207 .188 .189-.190 .191
.208 .209-.222 .223 .192 .193-.194 .195
.224 .225-.238 .239 .196 .197-.198 .199
.240 .241-.254 .255 .200 .201-.202 .203
.204 .205-.206 .207
.208 .209-.210 .211
.212 .213-.214 .215
.216 .217-.218 .219
.220 .221-.222 .223
.224 .225-.226 .227
.228 .229-.230 .231
.232 .233-.234 .235
.236 .237-.238 .239
.240 .241-.242 .243
.244 .245-.246 .247
.248 .249-.250 .251
.252 .253-.254 .255

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