Which of the following is NOT a private IPv4 address range?

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Multiple Choice

Which of the following is NOT a private IPv4 address range?

Explanation:
Private IPv4 addresses are reserved for internal networks and aren’t meant to be reachable on the public Internet. The well-known private ranges are 10.0.0.0/8, 172.16.0.0/12, and 192.168.0.0/16. The address 198.51.100.0/24 isn’t in those ranges—it’s part of the documentation/test address space (TEST-NET-2) used in examples. So it’s not a private range, while the others are.

Private IPv4 addresses are reserved for internal networks and aren’t meant to be reachable on the public Internet. The well-known private ranges are 10.0.0.0/8, 172.16.0.0/12, and 192.168.0.0/16. The address 198.51.100.0/24 isn’t in those ranges—it’s part of the documentation/test address space (TEST-NET-2) used in examples. So it’s not a private range, while the others are.

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