1. Given the following Host IP Address: 159.51.3.133. Design a subnet having a m
ID: 3850455 • Letter: 1
Question
1.
Given the following Host IP Address: 159.51.3.133. Design a subnet having a maximum of 30 hosts on it and answer the following questions.
A: What is the “Class” of this Host? Why?
B: What the Mask IP address?
C: What is the current Subnet IP address,
D: What is the 1st usable Host IP address on this Subnet,
E: What is the Last usable Host IP address on this Subnet,
F: What is the Number of over-all subnets that can be designed with such setting?
G: What is the possible 1st usable Subnet IP Address and what is the last usable Subnet IP Address?
Explanation / Answer
A. Class of the host is B , becaue first octet(159) lies between 128-191, which is criteria for class B
B. Mask IP address : 255.255.0.0
C: Subnet IP address : 159.51.3.128 (next lowest multiple of 32 , as maximum 30 host are allowed)
D: First usable IP address : 159.51.3.129
E: Last usable Host IP Address:159.1.3.159 (possible hosts -> 159.1.3.128-160, first and last are not usable)
F :Number of over-all Subnets that can be desinged: 2048 (256*256 / 32, 256*256 is possible no. of host in class B)
G : Possible first usable subnet IP address : 159.51.1.0
last usable subnet IP Address : 159.51.255.224
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