Network Information
Subnet	1	2	4	8	16	32	64	128	256
Host	256	128	64	32	16	8	4	2	1
Mask	/24	/25	/26	/27	/28	/29	/30	/31	/32
Mask	255.255.255.0	255.255.255.128	255.255.255.192	255.255.255.224	255.255.255.240	255.255.255.248	255.255.255.252	255.255.255.254	255.255.255.255

 

VLSM

IP Address: Subnet Masks (comma-separated): Calculate

Subnetting Results

 

FLSM

 

IP Address: Number of Subnets: Subnet Mask (CIDR notation):