Figure 32 Subnet Mask: Class B - Nortel DMS-100 User Manual

Figure 32 Subnet mask: class B

No. subnets No. hosts
2 16382
6 8190
14 4090
30 2046
62 1022
126 510
254 254
510 126
1022 62
2046 30
4094 14
8190
16382
CLASS B subnet masks
netmask
255.255.192.0
255.255.224.0
255.255.240.0
255.255.248.0
255.255.252.0
255.255.254.0
255.255.255.0
255.255.255.128
255.255.255.192
255.255.255.224
255.255.255.240
6 255.255.255.248
2 255.255.255.252
Host/Router
Appendix E: Understanding IP and IP addressing 155
Netmask in binary format
(11111111.11111111.11000000.00000000)
(11111111.11111111.11100000.00000000)
(11111111.11111111.11110000.00000000)
(11111111.11111111.11111000.00000000)
(11111111.11111111.11111100.00000000)
(11111111.11111111.11111110.00000000)
(11111111.11111111.11111111.00000000)
(11111111.11111111.11111111.10000000)
(11111111.11111111.11111111.11000000)
(11111111.11111111.11111111.11100000)
(11111111.11111111.11111111.11110000)
(11111111.11111111.11111111.11111000)
(11111111.11111111.11111111.11111100)
DMS-100 Family EIU User Guide TELECOM12
Base_Tel-12
IPNETWRK
subnet size
2
3
4
5
6
7
8
9
10
11
12
13
14
DMS