WSN Gateway Hardware Installation Manual
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31
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Subnet Mask
CIDR Pre-
fix
Total IPs
Usable IPs
Number of Class C Net-
works
255.255.224.0
/19
8192
8190
32
255.255.192.0
/18
16,384
16,382
64
255.255.128.0
/17
32,768
32,766
128
255.255.0.0
/16
65,536
65,534
256
255.254.0.0
/15
131,072
131,070
512
255.252.0.0
/14
262,144
262,142
1024
255.248.0.0
/13
524,288
524,286
2048
255.240.0.0
/12
1,048,576
1,048,574
4096
255.224.0.0
/11
2,097,152
2,097,150
8192
255.192.0.0
/10
4,194,304
4,194,302
16,384
255.128.0.0
/9
8,388,608
8,388,606
32,768
255.0.0.0
/8
16,777,216
16,777,214
65,536
254.0.0.0
/7
33,554,432
33,554,430
131,072
252.0.0.0
/6
67,108,864
67,108,862
262,144
248.0.0.0
/5
134,217,728
134,217,726 1,048,576
240.0.0.0
/4
268,435,456
268,435,454 2,097,152
224.0.0.0
/3
536,870,912
536,870,910 4,194,304
192.0.0.0
/2
1,073,741,824 1,073,741,822 8,388,608
128.0.0.0
/1
2,147,483,648 2,147,483,646 16,777,216
0.0.0.0
/0
4,294,967,296 4,294,967,294 33,554,432
Changing the WSN Gateway IP Address
1. Perform the activities (configuration) in
(WSN Gateway Configurations).
2. Change the laptop Host IP Address to a value in the same subnet as the new WSN
Gateway IP address.
3. Confirm that the WSN Gateway responds with a login dialog box when the newly
configured IP address is entered into a browser window on the laptop.
NOTE
:For convenience, choose a unique address within the same subnet that will not
conflict with any of the new WSN Gateway IP addresses, so the same laptop Host IP
Address can be used to test all of them.