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RFC 1918

October 24, 2019

Here’s the original document published back in February 1996 detailing the allocation for private internet addresses. The Internet Assigned Numbers Authority (IANA) has reserved the following three blocks of the IP address space for private internets. RFC 1918.

10.0.0.0        -   10.255.255.255  (10/8 prefix)
172.16.0.0      -   172.31.255.255  (172.16/12 prefix)
192.168.0.0     -   192.168.255.255 (192.168/16 prefix)

10.0.0.0 - 10.255.255.255 (10/8 prefix) 172.16.0.0 - 172.31.255.255 (172.16/12 prefix) 192.168.0.0 - 192.168.255.255 (192.168/16 prefix)

Filed Under: Misc Tagged With: addresses, internet, private, rfc 1918

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