BLOG TWO - SUBNETTING

This week we revisited subnetting and explored several more examples.  Being able to demonstrate an understanding of subnetting shows you can articulate binary and translate it into a decimal representation.  Subnetting and CIDR, masks, host/subnet totals, net and broadcast addresses will be assessed.

Subnetting Examples

Steal 1 Host Bit from	192.168.1.0
NNNNNNNN : NNNNNNNN : NNNNNNNN : SHHHHHHH
CIDR:	25
Subnet Mask:	255.255.255.128
Number of Subnets:	2
Usable Hosts Per Subnet:	126
Net Addresses:	192.168.1.0 192.168.1.128
Broadcast Addresses:	192.168.1.127 192.168.1.255

 

Steal 5 Host Bit from	192.168.0.0
NNNNNNNN : NNNNNNNN : SSSSSHHH : HHHHHHHH
CIDR:	21
Subnet Mask:	255.255.248.0
Number of Subnets:	32
Usable Hosts Per Subnet:	2046
Net Addresses:	192.168.0.0 192.168.8.0 192.168.16.0 192.168.24.0 192.168.32.0 192.168.40.0 192.168.48.0 192.168.56.0 192.168.64.0 192.168.72.0 192.168.80.0 192.168.88.0 192.168.96.0 192.168.104.0 192.168.112.0 192.168.120.0 192.168.128.0 192.168.136.0 192.168.144.0 192.168.152.0 192.168.160.0 192.168.168.0 192.168.176.0 192.168.184.0 192.168.192.0 192.168.200.0 192.168.208.0 192.168.216.0 192.168.224.0 192.168.232.0 192.168.240.0 192.168.248.0
Broadcast Addresses:	192.168.7.255 192.168.15.255 192.168.23.255 192.168.31.255 192.168.39.255 192.168.47.255 192.168.55.255 192.168.63.255 192.168.71.255 192.168.79.255 192.168.87.255 192.168.95.255 192.168.103.255 192.168.111.255 192.168.119.255 192.168.127.255 192.168.135.255 192.168.143.255 192.168.151.255 192.168.159.255 192.168.167.255 192.168.175.255 192.168.183.255 192.168.191.255 192.168.199.255 192.168.207.255 192.168.215.255 192.168.223.255 192.168.231.255 192.168.239.255 192.168.247.255 192.168.255.255