IP Address Tools
Convert, calculate, and reference IP addresses and CIDR subnets
Your Public IP
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IPv4 Format Converter
Enter an IPv4 address to see it in all formats
Decimal to IPv4
CIDR Subnet Calculator
Enter a CIDR block to calculate subnet details
Network Address192.168.1.0
Broadcast Address192.168.1.255
Subnet Mask255.255.255.0
Binary Mask11111111.11111111.11111111.00000000
First Usable192.168.1.1
Last Usable192.168.1.254
Total Hosts256
Usable Hosts254
Prefix/24
IPv6 Compress / Expand
Enter an IPv6 address in any format
Private IP Ranges
| Class | CIDR |
|---|---|
| A | 10.0.0.0/8 |
| B | 172.16.0.0/12 |
| C | 192.168.0.0/16 |
| Loopback | 127.0.0.0/8 |
| Link-Local | 169.254.0.0/16 |
| CGNAT | 100.64.0.0/10 |
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