8/29/2021
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Now

An IP Address looks like 192.168.1.1. The decimal numbers in an IP Address have four groups; each group can have a possible value starting from 0 to 255. An IP Address is a short form of Internet Protocol Address. It serves as an identifier for each user connected to the Internet. On the taskbar, select Wi-Fi network the Wi-Fi network you're connected to Properties. Under Properties, look for your IP address listed next to IPv4 address. Technically speaking, the acronym “IP” stands short for Internet Protocol address. But to protect your internet privacy, what you need to understand is what is an IP address, why it is so critical in the digital era and, most important, why you should hide it right now. Every device on your network has a 'private' IP address for that network, and your entire network has a 'public' IP address on the Internet itself. While your device's IP address may change every time you turn it on, your router's IP address, or 'default gateway,' stays the same and determine the IP addresses of the other devices on your network. An IP lookup tool does a reverse DNS lookup to help you find the hostname of any IPv4 address (or find the IP address of a particular hostname or domain name) along with ownership geolocation details. If you’re seeing random IP addresses poking around your firewall trying to gain access to your network definitely, it raises a red flag.

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The IP Address (Validated IPV4, IPV6) [ip_addr] field type stores valid IPv4 and IPv6 addresses.

Support for IPv4 and IPv6

Both dot-decimal and hex notation are supported for IPv4 and IPv6. For IPv6, you can use the double-colon notation to compress zeros. Familiarize yourself with IETF RFC5952 for examples and guidelines on text representation for IPv6 addresses.

My ip address nowThe following are examples of valid IP addresses:Check my ip
  • A standard IPv4 address in dot-decimal notation:

    10.34.51.20

    Battery

  • A same IPv4 address in hex notation:

    0x0A223314 or 0A223314

  • A standard IPv6 address in dot-decimal notation:

    1507:f0d0:1002:0051:0000:0000:0000:0004

  • The same IPv6 address above using the double-colon in place of zeros:

    1507:f0d0:1002:51::4

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How IP addresses are stored in the database

The IP address ip_addr field is a Variable Character (VARCHAR) field with a length of 45 characters. The values are always stored in four-digit groupings in doc-decimal notation for both IPv4 or IPv6 addresses regardless of the notation you use when you input values in the field. For example:
  • If you enter an IPv6 IP address in an using double-colons, the value in the database is actually expanded to its full IP address without compression: 1507:f0d0:1002:51::4 is saved in the database as 1507:f0d0:1002:0051:0000:0000:0000:0004
  • If you enter an IPv4 address in hex notation, it is saved in the database as the standard dot-decimal notation: 0x0A223314 is saved as 10.34.51.20.

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If you run a query on this field type in scripts, make sure to query on the full dot-decimal notation.