Linked Questions

6
votes
1answer
31k views

What are the differences between network, host, loopback and broadcast address? [duplicate]

I have one question about IP addresses. If I have address 172.18.230.127./29 how should I know what type of address is this one. It could be: Network address, Host address, Loopback address ...
1
vote
1answer
7k views

Maximum number of Subnets [duplicate]

If I have been assigned the address 164.12.130.0/23 in a network block. What is the maximum number of subnets that can be defined? What will be the IP addresses of those subnets. This is not a Home ...
3
votes
3answers
12k views

how to find a minimum number of host bits needed? [duplicate]

let's say I have 200.35.1.0/24 network block. I need to address 20 hosts on each subnet. How do I specify the minimum number of host bits that are required?
0
votes
1answer
2k views

Which CIDR block contains the most IP addresses, 192.168.0.0/16 or 169.254.0.0/16? [duplicate]

I want to say 192.168.0.0/16 contains more IP addresses, 86 more to be precise? I've simply subtracted 168 from 254. Can anyone clarify how you can determine which has more IP addresses? Thanks
0
votes
1answer
6k views

Why do I get 8 addresses and 6 hosts on a /29 subnet? [duplicate]

I am moving my company to a leased line and in their brochure they have mentioned that I will be getting a /29 IPs. When I wanted to lookup how many IP addresses that will be, this page http://www....
3
votes
4answers
676 views

Which ranges of IPv4 addresses cannot be expressed in prefix notation? [duplicate]

I was trying to do an exercise where we have a range of IPv4 addresses and we need to convert it both to "prefix notation", e.g. a.b.c.d/x, and to "address/mask". Now, apparently, the following ...
0
votes
1answer
10k views

How to find number of borrowed bits in subnetting [duplicate]

I am an Electrical Engineer learning about computer Networks, So this question might be childish and easy for most of you. Please answer it briefly. I am performing subnetting where I have this ...
0
votes
1answer
3k views

Start with 192.168.67.0/24 and split it into 4 equal networks, what is the third usable IP address of the 3rd subnet? how do you solve this? [duplicate]

Start with 192.168.67.0/24 and split it into 4 equal networks, what is the third usable IP address of the 3rd subnet? how do you solve this?
3
votes
2answers
2k views

Why largest subnets should be assigned IPs first? [duplicate]

Is there any particular reason as of why we should assign IP addresses to the largest subnet first? Could anyone give a simple example of why this is the better option? Let's say I have two subnets: ...
0
votes
1answer
9k views

How to calculate random subnet first/last address [duplicate]

Lets say I have to create 256 subnets (it could be any number), how would I find the first and last (network/broadcast addresses) for a randomly chosen subnet? For instance, subnet 139. I'll give an ...
2
votes
2answers
2k views

How to choose IP address? [duplicate]

I have 2 sensors with the following IP addresses: Sensor A IP: 192.168.0.80 Sensor B IP: 192.168.1.201 I am able to connect them to my laptop separately using 192.168.0.100/255.255.255.0 for Sensor ...
2
votes
1answer
3k views

What's the difference between host and network address? [duplicate]

Often in the interviews there is a question 'how many hosts this network can have and how many subnetworks?'. Let's say we have /30 network. It has 4 addresses total, minus it's own network address ...
0
votes
1answer
3k views

What is the Destination Address? [duplicate]

I have some doubt in the problem which follows: Suppose a host with IP address 19.121.202.123 wants to send a packet to all the hosts in the same network. Then, what destination address should it use?...
2
votes
2answers
2k views

Calculating valid hosts [duplicate]

I'm a student taking the cisco beginners course, but I'm running into some problems with subnetting. When you have this network setup below, what are the valid number of hosts, and how does one ...
1
vote
1answer
2k views

Find subnet prefix/CIDR from IP address and required No of hosts [duplicate]

I want to know that how can we calculate the Subnet prefix and CIDR, when the given information is only IP address and required No of hosts. For example: Suppose we have: IP Address= 198.1.1.0 and ...

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