Question: What Is A Class B IP Address?

What is a class B network?

A class B network is a type of network in the now-defunct classful networking architecture.

Class B networks have IP addresses between 128.0.

0.0 and 191.255.


The Classful networking system has been superseded by CIDR (Classless Inter-Domain Routing) since 1993..

Which of the following is an example of a Class B IP address?

If the value of first octet is in range 128 to 191, it’s a class B IP address. Examples of class B IP address are: – 128. 200.100. 50, 191.

What is class full address?

A classful network is a network addressing architecture used in the Internet from 1981 until the introduction of Classless Inter-Domain Routing in 1993. The method divides the IP address space for Internet Protocol version 4 (IPv4) into five address classes based on the leading four address bits.

How many subnets are in a class B?

This is exactly like subnetting a Class C network address, but the third octet is part of the subnet address. 256-255=1.0, 2.0, 3.0, etc. for the third octet. 256-192=64, 128, 192 for the fourth octet….Subnetting a Class B network address.Subnet64.0128.0broadcast127.255191.2552 more rows•May 29, 2001

What is Class A Class B Class C?

Following are the ranges of Class A, B, and C Internet addresses, each with an example address: Class A networks use a default subnet mask of 255.0. 0.0 and have 0-127 as their first octet. … Its first octet is 172, which is between 128 and 191, inclusive. Class C networks use a default subnet mask of 255.255.

What is a Class B IP address used for?

Class B IP addresses are used for medium and large-sized networks in enterprises and organizations. They support up to 65,000 hosts on 16,000 individual networks. Class C addresses are most common and used in small business and home networks. These support up to 256 hosts on each of 2 million networks.

How many IP addresses are there in a class B?

IP address classesClassLeading bitsNumber of networksClass A0128 (27)Class B1016,384 (214)Class C1102,097,152 (221)Class D (multicast)1110not defined1 more row

What is the class B private IP address range?

Private IPv4 addressesRFC1918 nameIP address rangeClassful description24-bit block10.0.0.0 – class A network20-bit block172.16.0.0 – contiguous class B networks16-bit block192.168.0.0 – contiguous class C networks

How do I know if my IP address is public or private?

It is public global addresses that are used in the Internet. A public IP address is an IP address that is used to access the Internet….Private addresses include IP addresses from the following subnets:Range from 10.0. 0.0 to 10.255. … Range from 172.16. 0.0 to 172.31. … A 192.168. 0.0 to 192.168. … A special range 100.64.

What are the first 3 octets of an IP address?

The first 24 bits (the first three octets) identify the network and the remaining 8 bits indicate the host within the network. An example of a Class C IP address is 200.168. 212.226 where “200.168. 212” identifies the network and “226” identifies the host on that network.

What is a class B subnet mask?

Class B networks use a default subnet mask of 255.255. 0.0 and have 128-191 as their first octet. The address 172.16. 52.63 is a class B address.

What is IP address explain with example?

An Internet Protocol address (IP address) is a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication. … IP addresses are written and displayed in human-readable notations, such as in IPv4, and 2001:db8:0:1234:0:567:8:1 in IPv6.

How do I find my class B IP address?

The Class B range is 128-191. For example, if you find an IP address that begins with 152, then you know that it’s a Class B address….10.0. … To find the broadcast address of the IP address, turn on the host bits: 10.255.More items…•

What are the 3 private IP address ranges?

3. Private Address Space10.0. 0.0 – 10.255. 255.255 (10.0. 0.0/8 prefix)172.16. 0.0 – 172.31. 255.255 (172.16. 0.0/12 prefix)192.168. 0.0 – 192.168. 255.255 (192.168. 0.0/16 prefix)

How do I know my IP range?

Running ipconfig on a Windows PCClick the Start menu.In Search/Run bar, type cmd or command, then press Enter. … In the Command Prompt, type ipconfig or ipconfig/all, then press Enter. … Using the available IP range determined by your router, run a ping command to an address in that range to confirm it is free for use.

What is a 192.168 IP address?

192.168. 1.1 is a common factory IP address for a consumer-grade router. If the router is used for connecting to the Internet then all computers and devices which access the Internet through it will use this address as their default gateway.

What is the difference between Class A and Class B IP addresses?

If the address is written in decimal format, the first number determines the address. If the first number is between 0 and 127 inclusive, the address is class A. If the first number is between 128 and 191 inclusive, the address is class B. If the first number is between 192 and 223 inclusive, the address is class C.