🌐 Advanced Subnet Calculator

Calculate IPv4 and IPv6 subnets with CIDR notation, VLSM support, and visual representations

Enter IPv4 address (e.g., 192.168.1.0)

Calculating subnet...

Network Visualization

Network
Host
Network Portion
Host Portion

Network Information

Network Address
-
Broadcast Address
-
Subnet Mask
-
CIDR Notation
-

Host Information

Total Hosts
-
Usable Hosts
-
First Usable IP
-
Last Usable IP
-

Additional Details

IP Class
-
IP Type
-
Wildcard Mask
-
Network Bits
-

Binary Representation

IP Address (Binary)
-
Subnet Mask (Binary)
-
Network Address (Binary)
-
Enter IPv6 address (e.g., 2001:db8::1)
Enter prefix length (0-128)

IPv6 Network Information

Network Address
-
Expanded Address
-
Compressed Address
-

IPv6 Range

First Address
-
Last Address
-
Total Addresses
-
Enter base network with CIDR (e.g., 192.168.0.0/16)
Enter number of subnets to create

Subnet Requirements

VLSM Allocation Table

Subnet Name Network Subnet Mask First IP Last IP Broadcast Hosts Required Hosts Available