Online Network Tools — IP, MAC, Ports
IP calculator, DNS lookup, port checker
Tools in Network & IP
Compare all 5 tools by their catalog descriptions and open the one you need.
- IP CalculatorMask, network, broadcast and range for one IPv4/CIDR
- Subnet CalculatorSmallest traditional IPv4 subnet for a host requirement
- MAC Address & OUI InspectorNormalize a MAC address, inspect its bits and check a small local OUI list
- Port ListSearch a concise reference of common TCP/UDP ports
- User-Agent ParserHeuristically parse browser, engine, OS and device class
About Network & IP
Professional online tools for network administrators: IP calculator, CIDR subnet calculator, MAC Lookup, port reference, User-Agent parser. No command line needed, right in your browser.
What these tools can do
- IP calculator: subnets, masks, CIDR
- IPv4 subnet calculator
- MAC Address Lookup
- TCP/UDP port reference
- User-Agent Parser
When to use them
Network tools are used by system administrators, network engineers and DevOps specialists when configuring network infrastructure.