How to calculate ip address range manually

Usable IP Addresses: 2 No. of Hosts-bits-2 = 2 = = Usable IP Address The Network Range is: - , these are the usable IPs between the Network Address till the Broadcast Address. Invert mask (XOR with ones), AND it with IP. Add 1. This will be the starting range. OR IP with mask. This will be the ending www.doorway.rus: 1.  · Address allocation provided by telco is with a 12 bit mask. What is the range of usable ip addreesses? I have some of the basics figured out (I think). Subnet mask is , network id is I used an online subnet calculator to get what the range is but I just cannot figure out how it arrived at the numbersReviews:

To find first valid/usable ip address add +1 to network address I.e: To find the last/broadcast address the procedure is same as that of finding network address but here you have to make (mask) bits from right to '1'. I.e: Which in decimal is How can I calculate Subnet mask from IP address range manually? For example IP addresses from to , what is the mask in decimal dot format? ip-address. To calculate the network address. Step1: Write the given IP address in binary format. Step 2: Write the subnet mask in binary form. Step: Perform the logical ANDing operation between the corresponding octets of the IP address and the subnet mask. Step 4: Convert the result back to the decimal format and this will be the network address.

What is a static IP address? It's any manually configured IP address, sometimes referred to as a fixed IP address. Learn the difference between static vs dynamic IP addresses. Tim Fisher has more than 30 years' of professional technology ex. An IP address is a unique, identifying number for a piece of hardware within a network. IP address stands for Internet Protocol address. Tim Fisher has more than 30 years' of professional technology experience. He's been writing about tech. Whether you are in it just for a bit of geeky fun, or are seriously wanting to know the answer, how do you find out the IP address for a website? Today’s SuperUser QA post looks at the answer, and how to know if more than one website is bo.