Assume there is a machine with the IP address 129.82.102.63 with netmask /23, and with a...
Assume there is a machine with the IP address 129.82.102.63 with netmask /23, and with a parent NW whose netmask is 255.255.224.0. For each answer, do not include any spaces, give full IP addresses/netmasks where these are requested, give the "/" as part of the answer for slash notation.
1. How many bits are there for NW# portion (within the parent address space) for the subnet?
2. How many subnets of this size (the size of the subnet this machine is on) could we create within the parent NW?
3. What is the machine's (subnet's) NW# (IP address)?
4. What are the first 3 and last 3 usable subnets we could create within the parent NW? List them in ascending order.
Homework Answers
Answer 1
**********
4
Answer 2
**********
16
Answer 3
**********
4th subnet
Subnet ID: 129.82.102.0
Subnet mask: 255.255.254.0
Subnet size: 510
Subnet range : 129.82.102.1 to 129.82.103.254 Subnet
broadcast: 129.82.103.255
Answer 4
**********
First three
************
129.82.96.0
129.82.98.0
129.82.100.0
Last three
************
129.82.122.0
129.82.124.0
129.82.126.0
| Subnet | Mask | Subnet Size | Host Range | Broadcast |
| 129.82.96.0 | 255.255.254.0 | 510 | 129.82.96.1 to 129.82.97.254 | 129.82.97.255 |
| 129.82.98.0 | 255.255.254.0 | 510 | 129.82.98.1 to 129.82.99.254 | 129.82.99.255 |
| 129.82.100.0 | 255.255.254.0 | 510 | 129.82.100.1 to 129.82.101.254 | 129.82.101.255 |
| 129.82.102.0 | 255.255.254.0 | 510 | 129.82.102.1 to 129.82.103.254 | 129.82.103.255 |
| 129.82.104.0 | 255.255.254.0 | 510 | 129.82.104.1 to 129.82.105.254 | 129.82.105.255 |
| 129.82.106.0 | 255.255.254.0 | 510 | 129.82.106.1 to 129.82.107.254 | 129.82.107.255 |
| 129.82.108.0 | 255.255.254.0 | 510 | 129.82.108.1 to 129.82.109.254 | 129.82.109.255 |
| 129.82.110.0 | 255.255.254.0 | 510 | 129.82.110.1 to 129.82.111.254 | 129.82.111.255 |
| 129.82.112.0 | 255.255.254.0 | 510 | 129.82.112.1 to 129.82.113.254 | 129.82.113.255 |
| 129.82.114.0 | 255.255.254.0 | 510 | 129.82.114.1 to 129.82.115.254 | 129.82.115.255 |
| 129.82.116.0 | 255.255.254.0 | 510 | 129.82.116.1 to 129.82.117.254 | 129.82.117.255 |
| 129.82.118.0 | 255.255.254.0 | 510 | 129.82.118.1 to 129.82.119.254 | 129.82.119.255 |
| 129.82.120.0 | 255.255.254.0 | 510 | 129.82.120.1 to 129.82.121.254 | 129.82.121.255 |
| 129.82.122.0 | 255.255.254.0 | 510 | 129.82.122.1 to 129.82.123.254 | 129.82.123.255 |
| 129.82.124.0 | 255.255.254.0 | 510 | 129.82.124.1 to 129.82.125.254 | 129.82.125.255 |
| 129.82.126.0 | 255.255.254.0 | 510 | 129.82.126.1 to 129.82.127.254 | 129.82.127.255 |
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