Advanced Subnet Calculator

Calculate IPv4 and IPv6 subnets with detailed network information

IP Version

IP Address

Subnet Mask (CIDR)

Network Information

Network Address: -

Broadcast Address: -

Subnet Mask: -

Wildcard Mask: -

CIDR Notation: -

Host Information

First Usable IP: -

Last Usable IP: -

Total Hosts: -

Usable Hosts: -

IP Type: -

Binary Representation

Address Type	Binary	Hex
IP Address	-	-
Subnet Mask	-	-
Network Address	-	-

Additional Information

Private IP Ranges

10.0.0.0/8
172.16.0.0/12
192.168.0.0/16
fc00::/7 (IPv6)

Special IP Ranges

127.0.0.0/8 (Loopback)
169.254.0.0/16 (APIPA)
224.0.0.0/4 (Multicast)
ff00::/8 (IPv6 Multicast)

Quick Reference

/32 = 1 host (IPv4)
/24 = 256 hosts
/16 = 65,536 hosts
/64 = Standard IPv6 subnet
/128 = Single IPv6 host