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Add Common IP Ranges #24

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19 changes: 19 additions & 0 deletions README.md
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Expand Up @@ -206,6 +206,25 @@ This repository is a visual cheatsheet on the main topics in Backend-development
- [IPv6](https://en.wikipedia.org/wiki/IPv6)
> Over time, the allocation of address space began to happen at a much faster rate, forcing the creation of a new version of the IP protocol to store more addresses. IPv6 is capable of issuing 2^128 (is huge number) unique addresses.

Common Ranges and Prefixes

- IPv4
* 127.0.0.1-127.255.255.255 - Loopback (commonly only 127.0.0.1 is used)
* 10.0.0.0–10.255.255.255 - Private range 16.7M IPs
* 192.168.0.0-192.168.255.255 - Private range 65536 IPs
* 172.16.0.0–172.31.255.255 - Private range 1M Ips
* 169.254.0.0–169.254.255.255 - Auto-Configuration IPs
* 224.0.0.0-239.255.255.255 - Multicast IPs

- IPv6 prefixes and suffixes
* FCxx:: - Unique Local Addresses (ULA)
* FE80:: - Link-Local Addresses
* 2xxx:: - Public IPs
* 2001:db8::/32 - Documentation IP addressing
* ::1 - Localhost
* FFxx:: - Multicast Addresses


<details>
<summary>🔗 <b>References</b></summary>

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