# What is the network portion and host portion of the following IPv6 address?

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IPv6 uses a 128-bit address space. The first 64 bits are the network portion and the remaining 64 bits are the host portion of the address.

## How do I find my network portion and host portion?

The subnet mask signifies which part of the IP address is network and which part is host. The subnet mask is compared to the IP address from left to right, bit for bit. The 1s in the subnet mask represent the network portion; the 0s represent the host portion.

## What portion of an IP address is used to identify the network and host portions of the address?

A subnet mask is used to divide an IP address into two parts. One part identifies the host (computer), the other part identifies the network to which it belongs. To better understand how IP addresses and subnet masks work, look at an IP address and see how it’s organized.

## What is the network portion of the host address?

The network part specifies the unique number that is assigned to your network. The network part also identifies the class of network that is assigned. In Figure 5–3, the network part occupies two bytes of the IPv4 address.

## What is the network part and host part of the IPv6 address how many bits are they?

An IPv6 address is 128 bits in length and consists of eight, 16-bit fields, with each field bounded by a colon. Each field must contain a hexadecimal number, in contrast to the dotted-decimal notation of IPv4 addresses. In the next figure, the x’s represent hexadecimal numbers.

## How do I find my network host?

In simple words, the Number of hosts in any network can be calculated with the formula = 2x– 2, where x is the number of host ID bits in the IP address.

## How do I find the host of a network?

To calculate the number of possible hosts per subnet, use the formula 2h – 2, where h equals the number of host bits. The reason two addresses must be subtracted is because of the network address and the broadcast address.

The Network address identifies the specific network to which host is attached, and Host address uniquely identifies a host within a network. The distinction is important because router routes the packet according to a network address and don’t care about host address.

## How are hosts and networks different?

Count the number of bits from the right until the first ―1″ in the binary network address display is reached. That number will be the power raised to 2 for the calculation of possible number of hosts. Also, subtract two from the result because one address is reserved for broadcast and Page 2 network addresses.

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## What is network ID and host ID?

Network ID is the portion of an IP address that identifies the TCP/IP network on which a host resides. The network ID portion of an IP address uniquely identifies the host’s network on an internetwork, while the host ID portion of the IP address identifies the host within its network.

An IPv6 address is a 128-bit alphanumeric value that identifies an endpoint device in an Internet Protocol Version 6 (IPv6) network. IPv6 is the successor to a previous addressing infrastructure, IPv4, which had limitations IPv6 was designed to overcome.

## What is the address size of IPv6?

All IPv6 addresses are 128 bits long, written as 8 sections of 16 bits each.

## What is the network and host portion of the IPv4 address?

IPv4 addresses are composed of two parts. The first numbers in the address specify the network, while the latter numbers specify the specific host. A subnet mask specifies which part of an address is the network part, and which part addresses the specific host.

## Which portion of an IPv6 address represents the prefix and which portion represents the interface ID?

The /64 prefix length leaves another 64 bits, which is the Interface ID portion of the address. In IPv6, just as in IPv4, the number of devices you can have on a network depends on the prefix length.

## What are the 3 parts of an IPv6 address?

An IPv6 address is broken into three different parts; the site prefix, the subnet ID, and the interface ID. These three components are identified by the position of the bits within the address. The first three fields in an IPv6 address make up the site prefix.

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## How many bytes to IPv6 addresses consist of?

The IPv6 address is 128 bits (16 bytes).