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1What Is An IP Address

Networking 101 - IP Address IPV4

  • An IP (Internet Protocol) address is a unique label that is assigned to every device connected to a network. No IP Address = No Connection / Network Access.

  • Knowing an IP Address allow to access a machine remotely. Even if the device is on another continent or across the world.

  • Simple Networking skills can be very beneficial for you to have, launching your own Web Servers or for your future/current job.

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If your device doesn't have an IP address, it cannot access the internet or be used for other networking purposes (like connecting remotely to configure).

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Versions:

  • IPv4: Most common; 32-bit format, e.g., 192.168.0.1. About 4.3 billion unique addresses (now exhausted due to demand).

  • IPv6: Newer; 128-bit format, e.g., 2001:0db8:85a3:0000:0000:8a2e:0370:7334. Vastly more addresses (~340 undecillion) to solve IPv4 shortage.

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Types:

  • Public IP: Assigned by ISP; visible on the internet; unique globally (This identifies your network)

    • An example of Public IP address would look like: 34.98.101.5 - This IP address identifies your network & can trace back the location (not exact but an area, usually up to 30-50 miles)

  • Private IP: Used within local networks (e.g., home Wi-Fi); not routable on the public internet (ranges like 192.168.x.x).

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