Appendix E: Understanding IP and IP addressing 155

Figure 32 Subnet mask: class B

 

 

 

 

 

CLASS B subnet masks

 

 

Base_Tel-12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IPNETWRK

 

No. subnets

 

No. hosts

 

netmask

 

Netmask in binary format

 

subnet size

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

16382

255.255.192.0

(11111111.11111111.11000000.00000000)

2

 

 

 

 

6

8190

255.255.224.0

(11111111.11111111.11100000.00000000)

3

 

 

 

 

14

4090

255.255.240.0

(11111111.11111111.11110000.00000000)

4

 

 

 

 

30

2046

255.255.248.0

(11111111.11111111.11111000.00000000)

5

 

 

 

 

62

1022

255.255.252.0

(11111111.11111111.11111100.00000000)

6

 

 

 

 

126

510

255.255.254.0

(11111111.11111111.11111110.00000000)

7

 

 

 

 

254

254

255.255.255.0

(11111111.11111111.11111111.00000000)

8

 

 

 

 

510

126

255.255.255.128

(11111111.11111111.11111111.10000000)

9

 

 

 

 

1022

62

255.255.255.192

(11111111.11111111.11111111.11000000)

10

 

 

 

2046

30

255.255.255.224

(11111111.11111111.11111111.11100000)

11

 

 

 

4094

14

255.255.255.240

(11111111.11111111.11111111.11110000)

12

 

 

 

8190

6

255.255.255.248

(11111111.11111111.11111111.11111000)

13

 

 

 

16382

2

255.255.255.252

(11111111.11111111.11111111.11111100)

14

 

 

 

 

 

 

 

Host/Router

 

 

 

 

DMS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DMS-100 Family EIU User Guide TELECOM12

Page 155
Image 155
Cabletron Systems DMS-100 manual Subnet mask class B Class B subnet masks