MAC Address Lookup Tool
Comprehensive reference resources, guides and technical documentation for IT and Network professionals
MACVerify Blog is a comprehensive knowledge base designed for network administrators and IT professionals. Easily access port numbers, protocol references, network commands, and cable wiring diagrams.
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Common Port Numbers and Descriptions
TCP/UDP port numbers, usage areas and security information. Comprehensive list and descriptions of all 65,535 ports.
Network Protocols Guide
Detailed explanations of OSI model, TCP/IP stack, routing protocols and application layer protocols.
Essential Network Command Reference
Network troubleshooting commands for Windows, Linux and macOS. Ping, traceroute, netstat and more.
Cable Wiring Diagrams
Pin layouts and wiring diagrams for RJ45, RJ11, USB, HDMI, Serial and other cable types.
IP Subnet and CIDR Notation
Subnet mask calculation, VLSM, CIDR notation and IP address planning strategies.
VLAN Best Practices and Examples
VLAN creation, trunk/access port configuration, inter-VLAN routing and security.
Firewall, IDS/IPS and Security Protocols
Network security devices, security protocols, attack types and protection methods.
Wi-Fi 6/6E/7 and Wireless Technologies
802.11 standards, frequency bands, security protocols and wireless planning.