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IP Address Tools

Validate, analyze, and convert IP addresses. Supports IPv4, IPv6, subnet calculations, and network analysis.

Examples:

  • • IPv4: 192.168.1.1
  • • IPv4 with CIDR: 192.168.1.0/24
  • • IPv6: 2001:0db8::1

What is an IP Address?

An IP (Internet Protocol) address is a unique identifier assigned to each device connected to a network. It enables devices to communicate with each other over the internet or local networks.

There are two versions: IPv4 (e.g., 192.168.1.1) with 32-bit addresses, and IPv6 (e.g., 2001:0db8::1) with 128-bit addresses designed to solve IPv4 address exhaustion.

Tool Features

  • •Validation: Check if IPv4 or IPv6 addresses are properly formatted
  • •Conversion: Convert IPs to binary, decimal, and hexadecimal
  • •Subnet Calculator: Calculate network ranges using CIDR notation
  • •IP Classification: Determine IP class (A, B, C, D, E) and type
  • •Privacy Detection: Identify private vs public IP addresses

IPv4 Address Classes

  • •Class A: 1.0.0.0 to 126.255.255.255 (large networks)
  • •Class B: 128.0.0.0 to 191.255.255.255 (medium networks)
  • •Class C: 192.0.0.0 to 223.255.255.255 (small networks)
  • •Class D: 224.0.0.0 to 239.255.255.255 (multicast)
  • •Class E: 240.0.0.0 to 255.255.255.255 (reserved)

Private IP Ranges

Private IP addresses are reserved for local networks and are not routable on the public internet:

  • •10.0.0.0 to 10.255.255.255 (10.0.0.0/8)
  • •172.16.0.0 to 172.31.255.255 (172.16.0.0/12)
  • •192.168.0.0 to 192.168.255.255 (192.168.0.0/16)

CIDR Notation

CIDR (Classless Inter-Domain Routing) notation expresses IP addresses and their network masks compactly. For example, 192.168.1.0/24 means the first 24 bits are the network portion, giving you 256 total addresses (192.168.1.0 to 192.168.1.255) with 254 usable host addresses.

Common Use Cases

  • •Network Planning: Calculate subnet sizes for network design
  • •Security: Identify IP types for firewall rules
  • •Troubleshooting: Validate IP configurations
  • •Development: Test IP handling in applications

100% Private

All IP address processing happens locally in your browser using JavaScript. Your IP addresses and network configurations never leave your device.