# Which individul IP's would be included in this range?

If, for example, the following is allocated to a VLAN, which individual IPs would become usable?

174.121.25.208/29

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Homework? Best grab yourself one of the numerous subnet calculators available on the Internet. – John Gardeniers Feb 16 '10 at 23:09

use a mask calculator like http://cric.grenoble.cnrs.fr/reseau/calculemasque/ (in french, but terms are same) There is too some CLI tools (something like ipcalc)

\$ ipcalc 174.121.25.208/29
Netmask:   255.255.255.248 = 29 11111111.11111111.11111111.11111 000
Wildcard:  0.0.0.7              00000000.00000000.00000000.00000 111
=>
Network:   174.121.25.208/29    10101110.01111001.00011001.11010 000
HostMin:   174.121.25.209       10101110.01111001.00011001.11010 001
HostMax:   174.121.25.214       10101110.01111001.00011001.11010 110
Hosts/Net: 6                     Class B
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Perfect! Thanks! – user29129 Feb 16 '10 at 22:19
Ugh... subnet calculators. – Evan Anderson Feb 16 '10 at 22:48

I'll give you the answer once, but if you are doing VLANing, you really should learn to do the math yourself.

174.121.25.209 - 174.121.25.214

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First Usable IP Address = .....: 74.121.25.209 Last Usable IP Address = ......: 74.121.25.214