Николай Николов
					
					Howto
											 class, ip address					
					        
        				
				
			
			
			        
                                        
 | 
Hosts | 
Netmask | 
Amount of a Class C | 
| /30 | 
4 | 
255.255.255.252 | 
1/64 | 
| /29 | 
8 | 
255.255.255.248 | 
1/32 | 
| /28 | 
16 | 
255.255.255.240 | 
1/16 | 
| /27 | 
32 | 
255.255.255.224 | 
1/8 | 
| /26 | 
64 | 
255.255.255.192 | 
1/4 | 
| /24 | 
256 | 
255.255.255.0 | 
1 | 
| /23 | 
512 | 
255.255.254.0 | 
2 | 
| /22 | 
1024 | 
255.255.252.0 | 
4 | 
| /21 | 
2048 | 
255.255.248.0 | 
8 | 
| /20 | 
4096 | 
255.255.240.0 | 
16 | 
| /19 | 
8192 | 
255.255.224.0 | 
32 | 
| /18 | 
16384 | 
255.255.192.0 | 
64 | 
| /17 | 
32768 | 
255.255.128.0 | 
128 | 
| /16 | 
65536 | 
255.255.0.0 | 
256 | 
Guide to sub-class C blocks
/25 – 2 Subnets – 126 Hosts/Subnet
| Network # | 
IP Range | 
Broadcast | 
 
| .0 | 
.1-.126 | 
.127 | 
 
| .128 | 
.129-.254 | 
.255 | 
 
 
 | 
/30 – 64 Subnets – 2 Hosts/Subnet
| Network # | 
IP Range | 
Broadcast | 
 
| .0 | 
.1-.2 | 
.3 | 
 
| .4 | 
.5-.6 | 
.7 | 
 
| .8 | 
.9-.10 | 
.11 | 
 
| .12 | 
.13-.14 | 
.15 | 
 
| .16 | 
.17-.18 | 
.19 | 
 
| .20 | 
.21-.22 | 
.23 | 
 
| .24 | 
.25-.26 | 
.27 | 
 
| .28 | 
.29-.30 | 
.31 | 
 
| .32 | 
.33-.34 | 
.35 | 
 
| .36 | 
.37-.38 | 
.39 | 
 
| .40 | 
.41-.42 | 
.43 | 
 
| .44 | 
.45-.46 | 
.47 | 
 
| .48 | 
.49-.50 | 
.51 | 
 
| .52 | 
.53-.54 | 
.55 | 
 
| .56 | 
.57-.58 | 
.59 | 
 
| .60 | 
.61-.62 | 
.63 | 
 
| .64 | 
.65-.66 | 
.67 | 
 
| .68 | 
.69-.70 | 
.71 | 
 
| .72 | 
.73-.74 | 
.75 | 
 
| .76 | 
.77-.78 | 
.79 | 
 
| .80 | 
.81-.82 | 
.83 | 
 
| .84 | 
.85-.86 | 
.87 | 
 
| .88 | 
.89-.90 | 
.91 | 
 
| .92 | 
.93-.94 | 
.95 | 
 
| .96 | 
.97-.98 | 
.99 | 
 
| .100 | 
.101-.102 | 
.103 | 
 
| .104 | 
.105-.106 | 
.107 | 
 
| .108 | 
.109-.110 | 
.111 | 
 
| .112 | 
.113-.114 | 
.115 | 
 
| .116 | 
.117-.118 | 
.119 | 
 
| .120 | 
.121-.122 | 
.123 | 
 
| .124 | 
.125-.126 | 
.127 | 
 
| .128 | 
.129-.130 | 
.131 | 
 
| .132 | 
.133-.134 | 
.135 | 
 
| .136 | 
.137-.138 | 
.139 | 
 
| .140 | 
.141-.142 | 
.143 | 
 
| .144 | 
.145-.146 | 
.147 | 
 
| .148 | 
.149-.150 | 
.151 | 
 
| .152 | 
.153-.154 | 
.155 | 
 
| .156 | 
.157-.158 | 
.159 | 
 
| .160 | 
.161-.162 | 
.163 | 
 
| .164 | 
.165-.166 | 
.167 | 
 
| .168 | 
.169-.170 | 
.171 | 
 
| .172 | 
.173-.174 | 
.175 | 
 
| .176 | 
.177-.178 | 
.179 | 
 
| .180 | 
.181-.182 | 
.183 | 
 
| .184 | 
.185-.186 | 
.187 | 
 
| .188 | 
.189-.190 | 
.191 | 
 
| .192 | 
.193-.194 | 
.195 | 
 
| .196 | 
.197-.198 | 
.199 | 
 
| .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 | 
 
 
 | 
/26 – 4 Subnets – 62 Hosts/Subnet
| Network # | 
IP Range | 
Broadcast | 
 
| .0 | 
.1-.62 | 
.63 | 
 
| .64 | 
.65-.126 | 
.127 | 
 
| .128 | 
.129-.190 | 
.191 | 
 
| .192 | 
.193-.254 | 
.255 | 
 
 
 | 
/27 – 8 Subnets – 30 Hosts/Subnet
| Network # | 
IP Range | 
Broadcast | 
 
| .0 | 
.1-.30 | 
.31 | 
 
| .32 | 
.33-.62 | 
.63 | 
 
| .64 | 
.65-.94 | 
.95 | 
 
| .96 | 
.97-.126 | 
.127 | 
 
| .128 | 
.129-.158 | 
.159 | 
 
| .160 | 
.161-.190 | 
.191 | 
 
| .192 | 
.193-.222 | 
.223 | 
 
| .224 | 
.225-.254 | 
.255 | 
 
 
 | 
/28 – 16 Subnets – 14 Hosts/Subnet
| Network # | 
IP Range | 
Broadcast | 
 
| .0 | 
.1-.14 | 
.15 | 
 
| .16 | 
.17-.30 | 
.31 | 
 
| .32 | 
.33-.46 | 
.47 | 
 
| .48 | 
.49-.62 | 
.63 | 
 
| .64 | 
.65-.78 | 
.79 | 
 
| .80 | 
.81-.94 | 
.95 | 
 
| .96 | 
.97-.110 | 
.111 | 
 
| .112 | 
.113-.126 | 
.127 | 
 
| .128 | 
.129-.142 | 
.143 | 
 
| .144 | 
.145-.158 | 
.159 | 
 
| .160 | 
.161-.174 | 
.175 | 
 
| .176 | 
.177-.190 | 
.191 | 
 
| .192 | 
.193-.206 | 
.207 | 
 
| .208 | 
.209-.222 | 
.223 | 
 
| .224 | 
.225-.238 | 
.239 | 
 
| .240 | 
.241-.254 | 
.255 | 
 
 
 | 
/29 – 32 Subnets – 6 Hosts/Subnet
| Network # | 
IP Range | 
Broadcast | 
 
| .0 | 
.1-.6 | 
.7 | 
 
| .8 | 
.9-.14 | 
.15 | 
 
| .16 | 
.17-.22 | 
.23 | 
 
| .24 | 
.25-.30 | 
.31 | 
 
| .32 | 
.33-.38 | 
.39 | 
 
| .40 | 
.41-.46 | 
.47 | 
 
| .48 | 
.49-.54 | 
.55 | 
 
| .56 | 
.57-.62 | 
.63 | 
 
| .64 | 
.65-.70 | 
.71 | 
 
| .72 | 
.73-.78 | 
.79 | 
 
| .80 | 
.81-.86 | 
.87 | 
 
| .88 | 
.89-.94 | 
.95 | 
 
| .96 | 
.97-.102 | 
.103 | 
 
| .104 | 
.105-.110 | 
.111 | 
 
| .112 | 
.113-.118 | 
.119 | 
 
| .120 | 
.121-.126 | 
.127 | 
 
| .128 | 
.129-.134 | 
.135 | 
 
| .136 | 
.137-.142 | 
.143 | 
 
| .144 | 
.145-.150 | 
.151 | 
 
| .152 | 
.153-.158 | 
.159 | 
 
| .160 | 
.161-.166 | 
.167 | 
 
| .168 | 
.169-.174 | 
.175 | 
 
| .176 | 
.177-.182 | 
.183 | 
 
| .184 | 
.185-.190 | 
.191 | 
 
| .192 | 
.193-.198 | 
.199 | 
 
| .200 | 
.201-.206 | 
.207 | 
 
| .208 | 
.209-.214 | 
.215 | 
 
| .216 | 
.217-.222 | 
.223 | 
 
| .224 | 
.225-.230 | 
.231 | 
 
| .232 | 
.233-.238 | 
.239 | 
 
| .240 | 
.241-.246 | 
.247 | 
 
| .248 | 
.249-.254 | 
.255 | 
 
 
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				 Преглеждания: 133