On a Class C network, what are the first two octet values in a reserved private address?10.255192.168172.16172.31

Break Down the Problem

1. Identify the Class C network address range and the private IP address space.
2. Determine which of the given options fall under the private address range.

Relevant Concepts

1. Class C private address range is defined as:
   • 192.168.0.0 to 192.168.255.255
2. Other common private address ranges include:
   • 10.0.0.0 to 10.255.255.255 (Class A)
   • 172.16.0.0 to 172.31.255.255 (Class B)

Analysis and Detail

1. Given options are:

   • 10.255
   • 192.168
   • 172.16
   • 172.31

2. Analysis of each option:

   • 10.255: This is part of the Class A reserved private address space.
   • 192.168: This falls within the Class C reserved private address space.
   • 172.16: This is part of the Class B reserved private address space.
   • 172.31: This is also part of the Class B reserved private address space.

Verify and Summarize

The Class C private addresses specifically are those that start with 192.168. Therefore, the first two octet values in a reserved private address within a Class C network are 192.168.

Final Answer

The first two octet values in a reserved private address on a Class C network are 192.168.