MAC Address Validator

Validate, format, and analyze MAC addresses with vendor identification

MAC Address Validation

MAC Address:

Supports various formats: colon, hyphen, dot notation, or no separators

Auto-format as you type Real-time validation Show vendor information

Output Format:

Sample MAC Addresses:

Validation Results

Enter a MAC address to see validation results

MAC Address Information

Original Format

Standardized

OUI (First 3 bytes)

Address Type

Different Formats

Colon notation: -

Hyphen notation: -

Dot notation: -

No separator: -

Vendor Information

Batch MAC Validation

MAC Addresses (one per line):

Output Format:

Batch Results:

Batch results will appear here...

Random MAC Generator

Generation Options:

Unicast addresses only Locally administered

Number of addresses:

Format:

Generated MACs:

Generated MAC addresses will appear here...

MAC Address Formats

Common Formats

IEEE 802 Standard

00:1B:44:11:3A:B7

Colon-separated hexadecimal

Windows Format

00-1B-44-11-3A-B7

Hyphen-separated hexadecimal

Cisco Format

001B.4411.3AB7

Dot-separated 4-digit groups

Address Types

Unicast

LSB of first byte = 0 (even)

Single destination device

Multicast

LSB of first byte = 1 (odd)

Multiple destination devices

Locally Administered

Second LSB of first byte = 1

Software assigned address

Features

✅ Format validation and standardization
🏢 Vendor identification via OUI lookup
🔄 Multiple format conversion
📦 Batch validation and processing
🎲 Random MAC address generation
📋 One-click copy functionality

Use Cases

🌐 Network device management
🔧 Network troubleshooting
📊 Asset inventory and tracking
🛡️ Security analysis and monitoring
🧪 Virtual machine configuration
📚 Network administration training