admin管理员组

文章数量:1530884

2024年7月18日发(作者:)

子网掩码对照表

子网掩码掩码位总

IP

数可用主机数

255.255.255.255

255.255.255.254

255.255.255.252

255.255.255.248

255.255.255.240

255.255.255.224

255.255.255.192

255.255.255.128

255.255.255.0

255.255.254.0

255.255.252.0

255.255.248.0

255.255.240.0

255.255.224.0

255.255.192.0

255.255.128.0

255.255.0.0

255.254.0.0

255.252.0.0

255.248.0.0

255.240.0.0

255.224.0.0

255.192.0.0

255.128.0.0

255.0.0.0

254.0.0.0

252.0.0.0

248.0.0.0

240.0.0.0

224.0.0.0

192.0.0.0

128.0.0.0

0.0.0.0

32

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

1

2

4

8

16

32

64

128

256

512

1024

2048

4096

8192

16384

32768

65536

131072

262144

524288

1048576

2097152

4194304

8388608

16777216

33554432

67108864

134217728

268435456

536870912

1073741824

2147483648

4294967296

1

0

2

6

14

30

62

126

254

510

1022

2046

4094

8190

16382

32766

65534

131070

262142

524286

1048574

2097150

4194302

8388606

16777214

33554430

67108862

134217726

268435454

536870910

1073741822

2147483646

4294967294

C

类网段数量

1/256 th

1/128 th

1/64 th

1/32 th

1/16 th

1/8 th

1/4 th

l half

1

2

4

8

16

32

64

128

256

512

1024

2048

4096

8192

16384

32768

655536

131072

262144

1048576

2097152

4194304

83388608

16777216

33554432

反掩码对照表

反掩码掩码位

0.0.0.032

0.0.0.131

0.0.0.330

0.0.0.729

0.0.0.1528

0.0.0.3127

0.0.0.6326

0.0.0.12725

0.0.0.25524

0.0.1.25523

0.0.3.25522

0.0.7.25521

0.0.15.25520

0.0.31.25519

0.0.63.25518

0.0.127.25517

0.0.255.25516

0.1.255.25515

0.3.255.25514

0.7.255.25513

0.15.255.25512

0.31.255.25511

0.63.255.25510

0.127.255.2559

0.255.255.2558

1.255.255.2557

3.255.255.2556

7.255.255.2555

15.255.255.2554

31.255.255.2553

63.255.255.2552

127.255.255.2551

255.255.255.2550

对照表

正掩码

255.255.255.255

255.255.255.254

255.255.255.252

255.255.255.248

255.255.255.240

255.255.255.224

255.255.255.192

255.255.255.128

255.255.255.0

255.255.254.0

255.255.252.0

255.255.248.0

255.255.240.0

255.255.224.0

255.255.192.0

255.255.128.0

255.255.0.0

255.254.0.0

255.252.0.0

255.248.0.0

255.240.0.0

255.224.0.0

255.192.0.0

255.128.0.0

255.0.0.0

254.0.0.0

252.0.0.0

248.0.0.0

240.0.0.0

224.0.0.0

192.0.0.0

128.0.0.0

0.0.0.0

本文标签: 掩码网段数量对照表