10 Tools
Network & IP Tools
Network professionals and system administrators rely on accurate tools for IP address management and network analysis. Our network toolkit covers the full spectrum: look up your public IP address with geolocation data, browse HTTP status codes with descriptions, calculate subnets from CIDR notation giving network address and broadcast address, generate random or OUI-specific MAC addresses, parse URLs into components (protocol, host, port, path, query, fragment), reference TCP and UDP port numbers, validate and classify IPv4/IPv6 addresses, extract email addresses from text, calculate IP ranges from CIDR, and convert IPs between binary/hexadecimal/decimal representations.
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Frequently Asked Questions
How does the IP lookup work without a server?
The IP Lookup tool uses WebRTC to detect your local IP address within your network. For public IP detection, it uses a WebRTC STUN request which reveals your public IP to your browser. This happens entirely client-side — no server stores or logs your IP.
What is CIDR notation?
CIDR (Classless Inter-Domain Routing) notation specifies an IP address and its network mask in the format 192.168.1.0/24, where /24 indicates 24 bits of network prefix. Our Subnet Calculator and IP Range Calculator help you work with CIDR notation to determine network boundaries, usable host ranges, and broadcast addresses.
How can I use the Port Reference effectively?
The Port Reference lists well-known ports (0-1023), registered ports (1024-49151), and dynamic/private ports (49152-65535) with their associated services. Use it to verify firewall rules, configure applications, or troubleshoot network connectivity issues.