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Which of the following IP address ranges is reserved for private networks?

easy📝 Conceptual Q11 of 15
Computer Networks - IP Addressing
Which of the following IP address ranges is reserved for private networks?
A192.168.0.0 to 192.168.255.255
B8.8.8.8 to 8.8.8.255
C172.32.0.0 to 172.47.255.255
D1.1.1.1 to 1.1.1.255
Step-by-Step Solution
Solution:

  1. Step 1: Identify private IP ranges

    Private IP addresses include 10.0.0.0/8, 172.16.0.0/12, and 192.168.0.0/16 ranges.

  2. Step 2: Match given options to private ranges

    A and B are public ranges. C (172.32.0.0 to 172.47.255.255) is outside the private 172.16.0.0/12 range. D matches the private 192.168.0.0/16 range.

  3. Final Answer:

    192.168.0.0 to 192.168.255.255 -> Option A

  4. Quick Check:

    Private IP range = 192.168.x.x [OK]
Quick Trick: Private IPs start with 10., 172.16-31., or 192.168. [OK]
Common Mistakes:
MISTAKES
  • Confusing public IPs like 8.8.8.8 as private
  • Not knowing the specific private IP ranges
  • Assuming all IPs starting with 1 or 8 are private

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