What is IP: 0.0.0.0

In the context of a route entry, it usually means the default route. In the context of servers, 0.0.0.0 means all IPv4 addresses on the local machine. If a host has two IP addresses, 192.168.1.1 and 10.1.2.1, and a server running on the host listens on 0.0.0.0, it will be reachable at both of those IPs.

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  1. An Internet Protocol address (IP address) is a numerical label assigned to each connection.The computer uses this to establish the connection.Two versions of the IP are in use: IP Version 4 and IP Version 6.In IPv4 an address consists of 32 bits and the IP v6 uses from 32 to 128 bits.
    IP address is of two types,Internal IP and an External IP.
    Internal IP is one that each device like computer,printer has.
    The external IP is the one through which one gets connected to the internet.The External IP is got from the ISP and is classified into static and dynamic where static IP does not tend to change and the dynamic IP varies each time the modem is switched ON and OFF.You can use Ip-details.com which displays your public/external IP.

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  2. IP address 0.0.0.0 has several special meanings like it is a non-routable meta-address used to designate an invalid, unknown, or non-applicable target. In the context of servers, 0.0.0.0 means "all IPv4 addresses on the local machine".

    Also, Computer and other devices normally show 0.0.0.0 when they are not connected to any TCP/IP network.

    Track geo-location of any ip address with IP Location Finder tool.

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