Which of the following IP address ranges is designated for use within private networks?
127.0.0.0 - 127.255.255.255
172.64.0.0 - 172.128.255.255
172.16.0.0 - 172.31.255.255
224.0.0.0 - 239.255.255.255
The IP address range 172.16.0.0 to 172.31.255.255 is one of the private IPv4 address ranges defined by RFC 1918 for use within private networks. These addresses are not routable on the public Internet and are used internally. The other options represent special-purpose address ranges: 169.254.0.0 to 169.254.255.255 is used for link-local addresses assigned when a device cannot obtain an IP address via DHCP, 224.0.0.0 to 239.255.255.255 is reserved for multicast traffic, and 127.0.0.0 to 127.255.255.255 is the loopback address range for host self-communication.
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