Need subnet of 12 IPs.

Posted on 2003-11-04
Last Modified: 2010-04-14
Can someone help me to create a subnet consisting of 12 IP's.
Question by:umr
  • 3
LVL 12

Accepted Solution

DRRYAN3 earned 125 total points
ID: 9684142
The closest you'll get is a net mask of (or /28).  This will give you 14 host IDs in addition to the network number and broadcast address.

For example, if your starting (and network) address is with a /28 netmask

Host 14:


Author Comment

ID: 9684669
LVL 12

Expert Comment

ID: 9686560
If my answer helped you and you consider it right, please accept my comment as an answer by clicking on the button next to the comment.

Expert Comment

ID: 9686689
Only a comment (don't  assign points for this!):

In the past, there were limitations to the use of a subnet 0 (all subnet bits are set to zero) and all ones subnet (all subnet bits set to one). Some devices would not allow the use of these subnets.

T0 make sure that you don't get this sort of trouble, I recommend that you use first and last subnet in the supplied sample last, i.e.: subnets and
LVL 12

Expert Comment

ID: 9695595
umr - are you coming back to this question?

Featured Post

U.S. Department of Agriculture and Acronis Access

With the new era of mobile computing, smartphones and tablets, wireless communications and cloud services, the USDA sought to take advantage of a mobilized workforce and the blurring lines between personal and corporate computing resources.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Title # Comments Views Activity
Task scheduler to manage event fails 4 738
Data off on old Win 2000 server. 18 582
cant not receive emails, due to low disk space. 16 255
Locking down a taskpad 1 152
NTFS file system has been developed by Microsoft that is widely used by Windows NT operating system and its advanced versions. It is the mostly used over FAT file system as it provides superior features like reliability, security, storage, efficienc…
There are many Password Managers (PM) out there to choose from. PM's can help with your password habits and routines, but they should not be a crutch you rely on too heavily. I also have an article for company/enterprise PM's.
Sending a Secure fax is easy with eFax Corporate ( First, just open a new email message. In the To field, type your recipient's fax number You can even send a secure international fax — just include t…
Learn how to create flexible layouts using relative units in CSS.  New relative units added in CSS3 include vw(viewports width), vh(viewports height), vmin(minimum of viewports height and width), and vmax (maximum of viewports height and width).

863 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

22 Experts available now in Live!

Get 1:1 Help Now