## Who uses Class A IP addresses?

Class A IP addresses are used for huge networks, like those deployed by Internet Service Providers (ISPs).

Class A IP addresses support up to 16 million hosts (hosts are devices that connect to a network (computers, servers, switches, routers, printers…etc.).

## What destination adress is 255.255 255.255 for?

255.255. 255.255: This address is reserved for network broadcasts, or messages that should go to all computers on the network. 127.0. 0.1: This is called the loopback address, meaning your computer’s way of identifying itself, whether or not it has an assigned IP address.

## What is the subnet mask for 8?

Class ANetwork BitsSubnet MaskNumber of Hosts/8255.0.0.016777214/9255.128.0.08388606/10255.192.0.04194302/11255.224.0.0209715019 more rows

## What is the subnet mask for 10.0 0.0 12?

IP Subnet CalculatorCIDR blockIP range (network – broadcast)Subnet Mask10.0.0.0/1310.0.0.0 – 10.7.255.255255.248.0.010.0.0.0/1210.0.0.0 – 10.15.255.255255.240.0.010.0.0.0/1110.0.0.0 – 10.31.255.255255.224.0.010.0.0.0/1010.0.0.0 – 10.63.255.255255.192.0.028 more rows

## How many IP addresses are in a 8?

The “8” denotes that there are 24 bits left over in the network to contain IPv4 host addresses: 16,777,216 addresses to be exact.

## What is a 255.255 254.0 subnet?

255.255.254.0 = 23 bits mask = 510 hosts (512 -2 ) 255.255.252.0 = 22 bits mask = 1022 hosts (1024 -2 ) 255.255.248.0 = 21 bits mask = 2046 hosts (2048 -2) You always multiply by 2 or divide by 2..and remove 2 hosts (broadcast and network)

## Is 192.168 private or public?

192.168. Note that only a portion of the “172” and the “192” address ranges are designated for private use. The remaining addresses are considered “public,” and thus are routable on the global Internet.

## What should subnet mask be?

Most home networks use the default subnet mask of 255.255. 255.0. … The largest Class A networks use a subnet mask of 255.0. 0.0, allowing for up to 16,777,216 IP addresses (256 x 256 x 256).

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

Public IP address are the IP addresses which have to registered before use. IANA is responsible for register these IP addresses to the organizations. Private IP address are the IP addresses which are reserved by IANA and they are not routable in the internet. These addresses will be not assigned to any organizations.

## What does the mask 255.255 0.0 tell you?

A subnet mask is used to tell the network devices (whether it be the computer or any routers, modems, etc.) … Likewise, if the subnet mask is 255.255. 0.0, then the computer will assume that every IP address in its local network will be in the format of 192.168.

## What is 16 subnet mask?

It saves you from typing, or pronouncing, the whole mask. For example, /8 means 255.0. 0.0, /16 is 255.255. 0.0, and /24 is 255.255. 255.0.

## What does it mean 192.168 0.0 24?

1. 192.168.0.0 Refers to the IP adress /24 refers to the subnet. / 24 subnet is 255.255.255.0. 192.168.0.0/24 is common for home networks.

## How many IPs is a 16?

CIDR, Subnet Masks, and Usable IP Addresses Quick Reference Guide (Cheat Sheet)CIDRSubnet MaskTotal IPs/19255.255.224.08192/18255.255.192.016,384/17255.255.128.032,768/16255.255.0.065,53629 more rows•Aug 26, 2011

## How many subnets are in a 23?

Converting /29 gives 255.255. 255.248. This shows that the fourth octet is the interesting octet. Deducting 248 from 256 gives us 8 so the subnets are 0, 8, 16, 24, 32, 40, 48……2-3 Subnetting.Dotted Decimal ValueCIDR notation255.255.254.0/23255.255.255.0/24255.255.255.128/25255.255.255.192/2619 more rows•Dec 12, 2013

## What is a 10.0 0.0 IP address?

The Internet Assigned Numbers Authority (IANA) reserves the following IP address blocks for use as private IP addresses: 10.0. 0.0 to 10.255. 255.255.

## What is 24 subnet mask?

An IPv4 subnet mask consists of 32 bits; it is a sequence of ones (1) followed by a block of zeros (0). … The following example shows the separation of the network prefix and the host identifier from an address (192.0. 2.130) and its associated /24 subnet mask (255.255. 255.0).

## What is a 192.168 IP address?

Using 192.168. 192.168. 0.0 is the beginning of the private IP address range that includes all IP addresses through 192.168. … One common IP address assigned to home routers is 192.168. 1.1. This IP address is used because the router is on the 192.168.