AnswersDrivePrivate IP Addresses
| Class | Private Networks | Subnet Mask |
|---|---|---|
| A | 10.0.0.0 | 255.0.0.0 |
| B | 172.16.0.0 - 172.31.0.0 | 255.240.0.0 |
| C | 192.168.0.0 | 255.255.0.0 |
What is the range of Class A private IP addresses?
Private IP Addresses
| Class | Private IP Address Range | Subnet Mask |
|---|---|---|
| A | 10.0.0.0 to 10.255.255.255 | 255.0.0.0 |
| B | 172.16.0.0 to 172.31.255.255 | 255.240.0.0 |
| C | 192.168.0.0 to 192.168.255.255 | 255.255.0.0 |
1
What is a static IP address?
Difference between static and dynamic IPs. When a device is assigned a static IP address, the address does not change. Most devices use dynamic IP addresses, which are assigned by the network when they connect and change over time.
2
How many Class B networks are there?
Key Concept: In the “classful” IP addressing scheme, a Class A network contains addresses for about 16 million network interfaces; a Class B about 65,000; and a Class C, 254. As you can see, there is quite a disparity in the number of hosts available for each network in each of these classes.
3
What are the classes of IP address and its range?
IP address classes
| Class | Address Range |
|---|---|
| Class A | 1.0.0.1 to 126.255.255.254 |
| Class B | 128.1.0.1 to 191.255.255.254 |
| Class C | 192.0.1.1 to 223.255.254.254 |
| Class D | 224.0.0.0 to 239.255.255.255 |
4
How many IPS are in a 28?
CIDR, Subnet Masks, and Usable IP Addresses Quick Reference Guide (Cheat Sheet)
| CIDR | Subnet Mask | Total IPs |
|---|---|---|
| /30 | 255.255.255.252 | 4 |
| /29 | 255.255.255.248 | 8 |
| /28 | 255.255.255.240 | 16 |
| /27 | 255.255.255.224 | 32 |
5
What is the loopback address?
An address that sends outgoing signals back to the same computer for testing. In a TCP/IP network, the loopback IP address is 127.0.0.1, and pinging this address will always return a reply unless the firewall prevents it.
6
What is meant by subnetting?
A subnetwork or subnet is a logical subdivision of an IP network. The practice of dividing a network into two or more networks is called subnetting. Subnet masks are also expressed in dot-decimal notation like an address. For example, 255.255.255.0 is the subnet mask for the prefix 198.51.100.0/24.
8
What is the first octet range for a Class A IP address?
Table 2-1 IP Addresses Available to Internet Hosts
| Address Class | First Octet Range | Number of Possible Networks |
|---|---|---|
| Class A | 0 to 126 | 127 (2 are reserved) |
| Class B | 128 to 191 | 16,384 |
| Class C | 192 to 223 | 2,097,152 |
9
How many octets are there in an IP address?
The 32-bit IP address is grouped 8 bits at a time, each group of 8 bits is an octet. Each of the four octets are separated by a dot, and represented in decimal format, this is known as dotted decimal notation. Each bit in an octet has a binary weight (128, 64, 32, 16, 8, 4, 2, 1).
10
What is the range of apipa?
If the client is unable to find the information, it uses APIPA to automatically configure itself with an IP address. The IP address range is 169.254.0.1 through 169.254.255.254. The client also configures itself with a default class B subnet mask of 255.255.0.0.
11
What is a Class C IP address?
The first octet of Class C IP address has its first 3 bits set to 110, that is: Class C IP addresses range from 192.0.0.x to 223.255.255.x. The default subnet mask for Class C is 255.255.255.x. Class C gives 2097152 (221) Network addresses and 254 (28-2) Host addresses.
12
What is the subnet mask for a Class B IP address?
To divide a given network address into two or more subnets, you use subnet masks. The default subnet masks for class A networks is 255.0.0.0, for class B is 255.255.0.0, and for class C is 255.255.255.0, which signify a network without subnets.
13
What is a Class C network?
Class C Network Definition. A Class C network is any network in the 32-bit, IPv4 addressing scheme whose first three bits, the so-called high-order bits, are 110. This makes possible a maximum of 2,097,152 networks, each of which can have a maximum of 254 hosts.
14
What is the subnet mask?
A subnet mask is a number that defines a range of IP addresses that can be used in a network. A subnet mask hides, or "masks," the network part of a system's IP address and leaves only the host part as the machine identifier. A common subnet mask for a Class C IP address is 255.255.255.0.
15
What is the range of public and private IP address?
Public IP addresses will be issued by an Internet Service Provider and will have number ranges from 1 to 191 in the first octet, with the exception of the private address ranges that start at 10.0.0 for Class A private networks and 172.16.0 for the Class B private addresses.
16
What is IP Address Class?
Class B IP addresses, where the 1st two bits are 10, are in the range of 128.0.0.0 to 191.255.255.255. Class C IP addresses, where the 1st three bits are 110, are in the range of 192.0.0.0 to 223.255.255.255. This class is for smaller networks and has 24 bits for network and 8 bits for hosts.
17
What is a Class C private IP address?
Private IP Addresses
| Class | Private IP Address Range | Subnet Mask |
|---|---|---|
| A | 10.0.0.0 to 10.255.255.255 | 255.0.0.0 |
| B | 172.16.0.0 to 172.31.255.255 | 255.240.0.0 |
| C | 192.168.0.0 to 192.168.255.255 | 255.255.0.0 |
18
How do you find your subnet mask?
To find the subnet mask of your Windows computer, go to the Run box (Windows Key + R) and cmd to open the Command Prompt. Here you can type the command “ipconfig /all” and hit the Enter key. The Subnet Mask will be listed as one of the parameters in the output under “Ethernet Adapters – Local Area Connection.”