IP Addressing Plan

Class B network: $189.$A$0\mathrm{.}0$A$\mathrm{.}0/24($A $=$ last digit of a group member$$s student ID$).$

s$8135774/$ s$8112553/$ s$8093645$

Class B $=128\mathrm{.}0\mathrm{.}0\mathrm{.}0$ ~ $191\mathrm{.}255\mathrm{.}255\mathrm{.}255$

IP: $189\mathrm{.}30\mathrm{.}04\mathrm{.}0/24,189\mathrm{.}40\mathrm{.}05\mathrm{.}0/24,189\mathrm{.}30\mathrm{.}05\mathrm{.}0/24,.......$

Default gateway: $192\mathrm{.}168\mathrm{.}40\mathrm{.}39$

Distinct IP sub$-$network for each department

Class B:$189\mathrm{.}40\mathrm{.}03\mathrm{.}0/24$

$189\mathrm{.}40\mathrm{.}03\mathrm{.}0/24???$

VLSM Process:

Choose MAIN ip ADDRESS as $189\mathrm{.}40\mathrm{.}03\mathrm{.}0/24$

$->$ distribute into $2$ sections $($Building A: $52/$ Building B: $93)$

Building A: $189\mathrm{.}40\mathrm{.}03\mathrm{.}0/25$ ~ $189\mathrm{.}40\mathrm{.}03\mathrm{.}63/25($WHAT$$S THE SUBNET? oh $/25)$

Building B: $189\mathrm{.}40\mathrm{.}03\mathrm{.}64/25$ ~ $189\mathrm{.}40\mathrm{.}03\mathrm{.}191/25$

ip $=189\mathrm{.}40\mathrm{.}03\mathrm{.}0/24$

$**24=$ prefix $=$ network bits, $8=$ host bits

$**$ total number of host bits$=2^8-2=256-2=254$

$**$network address:

$.../00000011/00000000($ip$)$

$.../11111111/00000000($sub$)$

$------------------------------------$ AND operation

$.../00000011/00000000($network address$)$ now convert into decimal

$->$ network address: $189\mathrm{.}40\mathrm{.}3\mathrm{.}0$

$**$broadcast address: $189\mathrm{.}40\mathrm{.}03\mathrm{.}255($add the total number of host bits$)$

$->$ distribute into $3$ sections $(52,51,42)$ : All less than $128$

$->$ Building A: $189\mathrm{.}40\mathrm{.}03\mathrm{.}0/26$ ~ $189\mathrm{.}40\mathrm{.}03\mathrm{.}63/26$

$->$ Building B$\_1($GF$)$: $189\mathrm{.}40\mathrm{.}03\mathrm{.}64/26$ ~ $189\mathrm{.}40\mathrm{.}03\mathrm{.}127/26$

$->$ Building B$\_2($FF$)$: $189\mathrm{.}40\mathrm{.}03\mathrm{.}128/26$ ~ $189\mathrm{.}40\mathrm{.}03\mathrm{.}191/26$

$->$ distribute again according to the floors $($GF$/$FF$)$: BUT START FROM BUILDING A FF crying in pain

$->$ Building A $-$ FF $30$ devices: less than $32$ : $189\mathrm{.}40\mathrm{.}03\mathrm{.}0/27$ ~ $189\mathrm{.}40\mathrm{.}03\mathrm{.}40/27$

$->$ Administration Office: $18$ devices : less than $32189\mathrm{.}40\mathrm{.}03\mathrm{.}0/27$ ~ $189\mathrm{.}40\mathrm{.}03\mathrm{.}20/27$

Network Address of this Subnet:$189\mathrm{.}40\mathrm{.}03\mathrm{.}0/27$

Broadcast Address on this Subnet: $189\mathrm{.}40\mathrm{.}03\mathrm{.}20/27$

IPv$4$ Address of First Host on this Subnet: $189\mathrm{.}40\mathrm{.}03\mathrm{.}1/27$

IPv$4$ Address of Last Host on this Subnet: $189\mathrm{.}40\mathrm{.}03\mathrm{.}18/27$

$10\%$ host address space added for future development: $189\mathrm{.}40\mathrm{.}03\mathrm{.}0/27$ ~ $189\mathrm{.}40\mathrm{.}03\mathrm{.}19/27$

$->$ Network Equipment Room: $5$ devices: less than $8189\mathrm{.}40\mathrm{.}03\mathrm{.}21/29$ ~ $189\mathrm{.}40\mathrm{.}03\mathrm{.}28/29$

Network Address of this Subnet:$189\mathrm{.}40\mathrm{.}04\mathrm{.}21/29$

Broadcast Address on this Subnet: $189\mathrm{.}40\mathrm{.}03\mathrm{.}28/29$

IPv$4$ Address of First Host on this Subnet: $189\mathrm{.}40\mathrm{.}03\mathrm{.}22/29$

IPv$4$ Address of Last Host on this Subnet: $189\mathrm{.}40\mathrm{.}03\mathrm{.}26/29$

$10\%$ host address space added for future development: $189\mathrm{.}40\mathrm{.}03\mathrm{.}21/29$ ~ $189\mathrm{.}40\mathrm{.}03\mathrm{.}27/29$

$->$ Meeting Room $1$: $3$ devices : less than $4189\mathrm{.}40\mathrm{.}03\mathrm{.}29/30$ ~ $189\mathrm{.}40\mathrm{.}03\mathrm{.}34/30$

Network Address of this Subnet: $189\mathrm{.}40\mathrm{.}03\mathrm{.}29/30$

Broadcast Address on this Subnet: $189\mathrm{.}40\mathrm{.}03\mathrm{.}33/30$

IPv$4$ Address of First Host on this Subnet: $189\mathrm{.}40\mathrm{.}03\mathrm{.}30/30$

IPv$4$ Address of Last Host on this Subnet: $189\mathrm{.}40\mathrm{.}03\mathrm{.}32/30$

$10\%$ host address space added for future development: $189\mathrm{.}40\mathrm{.}03\mathrm{.}29/30$ ~ $189\mathrm{.}40\mathrm{.}03\mathrm{.}34/30$

$->$ Manager$$s Office: $3$ devices : less than $4189\mathrm{.}40\mathrm{.}03\mathrm{.}35/30$ ~ $189\mathrm{.}40\mathrm{.}03\mathrm{.}40/30$

Network Address of this Subnet: $189\mathrm{.}40\mathrm{.}03\mathrm{.}35/30$

Broadcast Address on this Subnet: $189\mathrm{.}40\mathrm{.}03\mathrm{.}40/30$

IPv$4$ Address of First Host on this Subnet: $189\mathrm{.}40\mathrm{.}03\mathrm{.}36/30$

IPv$4$ Address of Last Host on this Subnet: $189\mathrm{.}40\mathrm{.}03\mathrm{.}38/30$

$10\%$ host address space added for future development: $189\mathrm{.}40\mathrm{.}03\mathrm{.}35/30$ ~ $189\mathrm{.}40\mathrm{.}03\mathrm{.}39/30$

$->$ Building A $-$ GF $20$ devices:: less than $32$ : $189\mathrm{.}40\mathrm{.}03\mathrm{.}41/27$ ~ $189\mathrm{.}40\mathrm{.}03\mathrm{.}74/27$

$->$ Customer service office : $15$ devices $189\mathrm{.}40\mathrm{.}03\mathrm{.}41/27$ ~ $189\mathrm{.}40\mathrm{.}03./27$

Network Address of this Subnet: $189\mathrm{.}40\mathrm{.}03./27$

Broadcast Address on this Subnet: $189\mathrm{.}40\mathrm{.}03./27$

IPv$4$ Address of First Host on this Subnet: $189\mathrm{.}40\mathrm{.}03./27$

IPv$4$ Address of Last Host on this Subnet: $189\mathrm{.}40\mathrm{.}03./27$

$10\%$ host address space added for future development: $189\mathrm{.}40\mathrm{.}03./27$ ~ $189\mathrm{.}40\mathrm{.}03./27$

$->$ Reception: $3$ devices $$ less than $8$ : $189\mathrm{.}40\mathrm{.}03./29$ ~ $189\mathrm{.}40\mathrm{.}03./29$

Network Address of this Subnet: $189\mathrm{.}40\mathrm{.}03.$

Broadcast Address on this Subnet: $189\mathrm{.}40\mathrm{.}03.$

IPv$4$ Address of First Host on this Subnet: $189\mathrm{.}40\mathrm{.}03.$

IPv$4$ Address of Last Host on this Subnet: $189\mathrm{.}40\mathrm{.}03.$

$10\%$ host address space added for future development: