IronPort Systems B-4000 Example Eight Subnets

ZyAIR B-4000 Hot Spot Gateway

Chart G-9 Subnet 3

		NETWORK NUMBER			LAST OCTET BIT VALUE
	IP Address	192.168.1.		128
	IP Address (Binary)	11000000.10101000.00000001.				000000
					10
	Subnet Mask (Binary)	11111111.11111111.11111111.				000000
					11
	Subnet Address: 192.168.1.128		Lowest Host ID: 192.168.1.129
	Broadcast Address: 192.168.1.191		Highest Host ID: 192.168.1.190
		Chart G-10 Subnet 4
		NETWORK NUMBER			LAST OCTET BIT VALUE
	IP Address	192.168.1.		192
	IP Address (Binary)	11000000.10101000.00000001.				000000
					11
	Subnet Mask (Binary)	11111111.11111111.11111111.				000000
					11
	Subnet Address: 192.168.1.192		Lowest Host ID: 192.168.1.193
	Broadcast Address: 192.168.1.255		Highest Host ID: 192.168.1.254
Example Eight Subnets

Similarly use a 27-bit mask to create 8 subnets (001, 010, 011, 100, 101, 110).

The following table shows class C IP address last octet values for each subnet.

Chart G-11 Eight Subnets

SUBNET	SUBNET ADDRESS	FIRST ADDRESS	LAST ADDRESS	BROADCAST ADDRESS
1	0	1	30	31
2	32	33	62	63
3	64	65	94	95
4	96	97	126	127
5	128	129	158	159
6	160	161	190	191
7	192	193	222	223
8	224	223	254	255

G-6 IP Subnetting