1. IP Address to Decimal

  1. 1.1 First Example – Power of 256. The IP address is “base 256”, to convert 192.168.1.2 to decimal (base 10) the formula is: 192 x (256)^3 + 168 x (256)^2 + 1 x (256)^1 + 2 (256)^0 =?
  2. 1.2 Second Example – Bit shifting.

Is an IP address an integer?

Well, remember that an IP address is a 32 or 128 bit unsigned integer and storing the IP as an integer can have many advantages which will facilitate analysis: Integers use less space: If you are using a database, the 32bit INT takes up 4 bytes whereas you will need 15bytes to store an IP address as a string.

How do you pass an IP address in Java?

2 Answers. Simply call InetAddress. getByName(String host) passing in your textual IP address. From the javadoc: The host name can either be a machine name, such as “java.sun.com”, or a textual representation of its IP address.

How do you convert to int in Java?

In Java, we can use Integer.valueOf() and Integer.parseInt() to convert a string to an integer.

  1. Use Integer.parseInt() to Convert a String to an Integer. This method returns the string as a primitive type int.
  2. Use Integer.valueOf() to Convert a String to an Integer. This method returns the string as an integer object.

How do I assign an IP address to a subnet?

255.248 or /29.

  1. Step 1: Convert to Binary.
  2. Step 2: Calculate the Subnet Address. To calculate the IP Address Subnet you need to perform a bit-wise AND operation (1+1=1, 1+0 or 0+1 =0, 0+0=0) on the host IP address and subnet mask.
  3. Step 3: Find Host Range.
  4. Step 4: Calculate the Total Number of Subnets and.

What is InetAddress class in Java?

InetAddress class provides methods to get the IP address of any hostname. An IP address is represented by 32-bit or 128-bit unsigned number. InetAddress can handle both IPv4 and IPv6 addresses.

What is a ServerSocket in Java?

ServerSocket is a java.net class that provides a system-independent implementation of the server side of a client/server socket connection. The accept method waits until a client starts up and requests a connection on the host and port of this server.