|IPv6 Address||Not detected|
|IP Location||Ashburn, Virginia (US) [Details]|
|Proxy||No proxy present|
|User Agent||CCBot/2.0 (https://commoncrawl.org/faq/)|
The Internet Protocol Address (or IP Address) is a unique address that computing devices such as personal computers, tablets, and smartphones use to identify themselves and communicate with other devices in the IP network. Any device connected to the IP network must have a unique IP address within the network. An IP address is analogous to a street address or telephone number in that it is used to uniquely identify an entity.
The traditional IP Address (known as IPv4) uses a 32-bit number to represent an IP address, and it defines both network and host address. A 32-bit number is capable of providing roughly 4 billion unique numbers, and hence IPv4 addresses running out as more devices are connected to the IP network. A new version of the IP protocol (IPv6) has been invented to offer a virtually limitless number of unique addresses. An IP address is written in "dotted decimal" notation, which is 4 sets of numbers separated by period each set representing an 8-bit number ranging from (0-255). An example of an IPv4 address is 220.127.116.11, which is the IP address previously assigned to iplocation.net.
An IPv4 address is divided into two parts: network and host address. The network address determines how many of the 32 bits are used for the network address and the remaining bits are used for the host address. The host address can be further divided into subnetwork and host number.
Traditionally IP network is classified as an A, B, or C network. The computers identify the class by the first 3 bits (A=000, B=100, C=110), while humans identify the class by the first octet(8-bit) number. With the scarcity of IP addresses, the class-based system has been replaced by Classless Inter-Domain Routing (CIDR) to more efficiently allocate IP addresses.
|Class||Network Address||Number of Hosts||Netmask|
In order to maintain uniqueness within a global namespace, the IP addresses are publicly registered with the Network Information Center (NIC) to avoid address conflicts. The devices that need to be publicly identified, such as web or mail servers, must have a globally unique IP address; and they are assigned a public IP address. The devices that do not require public access may be assigned a private IP address and make it uniquely identifiable within one organization. For example, a network printer may be assigned a private IP address to prevent the rest of the world from printing from it. To allow organizations to freely assign private IP addresses, the NIC has reserved certain address blocks for private use. A private network is a network that uses RFC 1918 IP address space. The following IP blocks are reserved for private IP addresses.
|Class||Starting IP Address||Ending IP Address|
In addition to the above classful private addresses, 169.254.0.0 through 169.254.255.255 addresses are reserved for Zeroconf (or APIPA, Automatic Private IP Addressing) to automatically create the usable IP network without configuration.
The loopback IP address is the address used to access itself. The IPv4 designated 127.0.0.1 as the loopback address with the 255.0.0.0 subnet mask. A loopback interface is also known as a virtual IP, which does not associate with a hardware interface. On Linux systems, the loopback interface is commonly called lo or lo0. The corresponding hostname for this interface is called localhost.
The loopback address is used to test network software without physically installing a Network Interface Card (NIC), and without having to physically connect the machine to a TCP/IP network. A good example of this is to access the web server running on itself by using http://127.0.0.1 or http://localhost.
Do you want to find an IP address of your network printer? Please read How to find an IP of a printer to find ways to obtain an IP number of your network printer.
Do you want to find IP Addresses of private network? Please read How to find IP addresses of computing devices on the private network?
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