IP Address Class Calculator
Analyze IP addresses and understand network classes for IoT deployments
IP Address Class Analyzer
IP Address Class Reference
Understanding the different classes of IP addresses and their characteristics:
Class A
1.0.0.0 - 126.255.255.255
Default Mask: 255.0.0.0 (/8)
Networks: 126
Hosts per Network: 16,777,214
Use: Large organizations, ISPs
Networks: 126
Hosts per Network: 16,777,214
Use: Large organizations, ISPs
Class B
128.0.0.0 - 191.255.255.255
Default Mask: 255.255.0.0 (/16)
Networks: 16,384
Hosts per Network: 65,534
Use: Medium-sized organizations
Networks: 16,384
Hosts per Network: 65,534
Use: Medium-sized organizations
Class C
192.0.0.0 - 223.255.255.255
Default Mask: 255.255.255.0 (/24)
Networks: 2,097,152
Hosts per Network: 254
Use: Small networks, home/office
Networks: 2,097,152
Hosts per Network: 254
Use: Small networks, home/office
Try These Examples
Click on any example below to analyze it:
10.0.1.100
Private Class A
172.16.50.1
Private Class B
192.168.1.1
Private Class C
8.8.8.8
Public Class A (Google DNS)
157.240.1.1
Public Class B
208.67.222.222
Public Class C (OpenDNS)