# Why we divide the range of IP address from 0 to 255 in classes?

Simply put, the world now has too many internet-connected devices for the amount of addresses available through IPv4. IPv4 addresses are 32-bit addresses. Each byte, or 8-bit segment of the address, is divided by a period and typically expressed as a number –255.

Quick Answer, why we divide IP address into classes? The class of IP address is used to determine the bits used for network ID and host ID and the number of total networks and hosts possible in that particular class. Each ISP or network administrator assigns IP address to each device that is connected to its network.

Also, why is the IP address range within 255? 255.255. The reason each number can only reach up to 255 is that each of the numbers is really an eight digit binary number (sometimes called an octet). In an octet, the number zero would be 00000000, while the number 255 would be 11111111, the maximum number the octet can reach.

Additionally, why each octet of an IP address ranges from to 255? In IPV4, an address consists of 32 bits, these are represented in decimal by 4 octets of 8 bits each. Each 8 bits can have a value from 0 to 255 because 2^8 (2 to the 8th power) is 256, and because we count from zero.

Best answer for this question, why is it important to know how many subnets can be in an IP range? Separating out small parts of your network into subnets allows traffic to flow more quickly and to avoid taking unnecessary routes, adding traffic where it isn’t needed. In addition, subnetting helps in efficiently allocating IP addresses and prevents large numbers of IP addresses from going unused./25 — 2 Subnets — 126 Hosts / Subnet Network # IP Range. Broadcast. .0. .1 – .126.

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## Can IP address have 255?

Yes, an IPv4 address can end in 255 without being a broadcast address. For it to be a broadcast address, all bits in the host part need to be ones. In your example, the 32-17 = 15 rightmost bits need to be all ones, not only the rightmost eight. For example, 10.0.

## Is 255 a valid IP octet?

The rule is that the last octet can’t be 255. The range of valid IP’s is 10.0. 0.1 to 10.0. 3.254.

## Can an IP address be 0?

An IP address ending in . 0 is perfectly legal these days. However, some devices (and firewall policies) believe that it isn’t. In the old “classfull” addressing scheme, IPs from 192.0.

## What does the IP address 0.0 0.0 signify?

In IPv4-based routing, 0.0. 0.0 serves as a default route. This means no particular address has been designated in the routing table as the next hop in the packet’s path to its final destination. When the default route is used with a subnet mask of 0.0.

## Why IP address is not 256?

Because each of the elements (a.b.c.d where a, b, c and d are elements) is 8 bits, and 256 takes 9 bits to store this value (in 8 bits, 256 is the same as zero, it’s like in old cars, when the car has done 100000 miles/kilometers, it says “00000” on the odometer).

## Can the first octet of an IP address be 0?

If the first bit of the first octet of an IP address is a binary 0, the address is a Class A address. With that first bit being a 0, the lowest number that can be represented is 00000000, decimal 0. The highest number that can be represented is 01111111, decimal 127.

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## What is the purpose of subnets?

One goal of a subnet is to split a large network into a grouping of smaller, interconnected networks to help minimize traffic. This way, traffic doesn’t have to flow through unnecessary routs, increasing network speeds. Subnetting, the segmentation of a network address space, improves address allocation efficiency.

## Why is subnetting necessary?

Subnets make networks more efficient. Through subnetting, network traffic can travel a shorter distance without passing through unnecessary routers to reach its destination.

## When we divide a network into several subnetworks We need to create a?

When we divide a network to several subnetworks, we need to create a subnetwork mask (or subnet mask) for each subnetwork. A subnetwork has subnetid and hosted. Three levels of hierarchy can be created using subnetting.

## How do you define an IP address range?

IP addresses are expressed as a set of four numbers — an example address might be 192.158. 1.38. Each number in the set can range from 0 to 255. So, the full IP addressing range goes from 0.0.

## How is an IP address broken down?

An IP address is typically written in decimal digits, formatted as four 8-bit fields separated by periods. Each 8-bit field represents a byte of the IP address. This form of representing the bytes of an IP address is often referred to as the dotted-decimal format.

## How many IPS are in a 252 subnet?

252 subnet mask. This mask permits up to 64 subnets with enough host addresses for 2 hosts per subnet.

## What is the valid host range for the 255.255 255.248 subnet?

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255.248. What are the subnet, broadcast address, and host range that this host is a member of? The answer is: 256-248=8, 16, 24. This host is in the 16 subnet, the broadcast address of the 16 subnet is 23, and the valid host range is 17-22.

## How is netmask calculated?

To calculate the subnet mask, convert an IP address to binary, perform the calculation and then convert back to the IPv4 decimal number representation known as a dotted quad. The same subnetting procedure works for IPv6 addresses.

## Is 255.255 255.255 IP address valid?

255.255. 255.255 – Represents the broadcast address, or place to route messages to be sent to every device within a network. 127.0. 0.1 – Represents “localhost” or the “loopback address”, allowing a device to refer to itself, regardless of what network it is connected to.

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