IP地址段与子网掩码计算表(整理ip地址和子网掩码的计算
2022-07-21 2:08:30
网络知识
官方管理员
掩码位数子网数十进制掩码IP数参考可用IP数(网络号-广播地址)
01000042949672964294967294
1212800021474836482147483646
2419200010737418241073741822
38224000536870912536870910
416240000268435456268435454
532248000134217728134217726
6642520006710886467108862
71282540003355443233554430
82562550001677721616777214
95122551280083886088388606
1010242551920041943044194302
1120482552240020971522097150
1240962552400010485761048574
13819225524800524288524286
141638425525200262144262142
153276825525400131072131070
1665536255255006553665534
1713107225525512803276832766
1826214425525519201638416382
19524288255255224081928190
201048576255255240040964094
212097152255255248020482046
224194304255255252010241022
2383886082552552540512510
24167772162552552550256254
2533554432255255255128128126
26671088642552552551926462
271342177282552552552243230
282684354562552552552401614
2953687091225525525524886
30107374182425525525525242
3121474836482552552552542
3242949672962552552552551
IP段对应表
| IP总数 | 子网掩码 | C段个数 |
---|
/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 |
---|
24--1Subnets--254Hosts/Subnet
代表一整个C段
网络地址 | 可用IP范围 | 广播地址 |
---|
.0 | .1-.254 | .255 |
/25--2Subnets--126Hosts/Subnet
网络地址 | 可用IP范围 | 广播地址 |
---|
.0 | .1-.126 | .127 |
.128 | .129-.254 | .255 |
26--4Subnets--62Hosts/Subnet
网络地址 | 可用IP范围 | 广播地址 |
---|
.0 | .1-.62 | .63 |
.64 | .65-.126 | .127 |
.128 | .129-.190 | .191 |
.192 | .193-.254 | .255 |
/27--8Subnets--30Hosts/Subnet
网络地址 | 可用IP范围 | 广播地址 |
---|
.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--16Subnets--14Hosts/Subnet
网络地址 | 可用IP范围 | 广播地址 |
---|
.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--32Subnets--6Hosts/Subnet
网络地址 | 可用IP范围 | 广播地址 |
---|
.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 |
/30--64Subnets--2Hosts/Subnet
网络地址 | 可用IP范围 | 广播地址 |
---|
.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 |