subnet mask to binary

Network Segment Encyclopedia business cards A cidr Block refers to the part in a computer network that uses the same physical layer device (transport medium, repeater, hub, and so on) for direct communication. From one IP address to another, it is like a network segment from 192.168.0.1 to 192.168.255.255. Network Segment The subnet mask assigned by the IP address is only 255 or 0 in each segment by defa

be set according to certain rules. Same as the IP address, the subnet mask length is also 32 bits, the network bits on the left are represented by the binary number "1", and the host bits on the right are represented by the binary number "0. As shown in the following figure, the IP address is "192.168.1.1" and the

~ 190192.20.16.0000001 ~ 10111110Number of hosts in this segment (10 segment): 2N-2 = 26-2 = 62 or 190-129 + 1 = 62▲If the subnet number 00 is all 0, it indicates the current network. If the subnet number 11 is all 1, it is subnet shielded and unavailable.This solution can meet the current needs, but if you need to add a new network segment, you must re-divide m

~ 10111110Number of hosts in this segment (10 segment): 2n-2 = 26-2 = 62 or 190-129 + 1 = 62▲If the subnet number 00 is all 0, it indicates the current network. If the subnet number 11 is all 1, it is subnet shielded and unavailable.This solution can meet the current needs, but if you need to add a new network segment, you must re-divide more subnets (that is, u

IP address Structure To understand what a subnet mask is, you must understand the composition of IP addresses. The Internet is composed of many small networks, each of which has many hosts, thus forming a hierarchical structure. When designing an IP address, considering the hierarchical features of Address Allocation, each IP address is divided into two parts: the network number and the host number to faci

, infrared, etc., sometimes referred to as physical media. The MAC address is also called the physical address, hardware address, or link address, which is written by the network device manufacturer when it is produced inside the hardware. This address is not related to the network, that is, regardless of the hardware with this address (such as network cards, hubs, routers, etc.) access to the network where, it has the same MAC address, MAC address is generally immutable, can not be set by the u

Transferred from: http://www.cnblogs.com/JuneWang/p/3917697.htmlIn order to learn more about the TCP/IP protocol, recently read a lot of relevant information, collected and recorded as follows, for later use and convenient for you to learn:IP address, subnet mask, default gateway, what does DNS server mean?(a) Problem analysis001. Q: IP address, subnet

PS: found a good article on the Internet, carried over, in case you can't find it later. At the same time the individual made a simple change. IP address, subnet mask, default gateway, what does DNS server mean?(a) Problem analysis001. Q: IP address, subnet mask, default gateway, DNS server, what is the difference? I k

Subnet Mask and IP address calculation network address and broadcast address conversion IP Address: 202.112.14.20.Subnet Mask: Too Many Subnet MaskWhat is the network address and broadcast address of this host?Solution:Step 1: Determine the network bit and host bit.

All the calculation and application of the subnet mask are based on the binary, so we should focus on the binary form of The netmask. Generally, we can view the IP attribute in decimal format. in order to make it easier for users to watch, in fact, computers use binary metho

Subnet mask (subnet mask) definitionIt is a bitmask that indicates which bits of an IP address identify the subnet on which the host resides and which bits identify the host. The subnet mask