Category Hub

Networking Tools

Subnet calculator, IP lookup, DNS reference, and CIDR converter

10 utilities available

Available Networking Tools

Calculate subnet masks, network IDs, broadcast addresses, and host capacities.

Open IP Subnet & CIDR Calculator

Format MAC addresses into Colon, Hyphen, or Cisco Dot notation style.

Open MAC Address Format Converter

Parse User-Agent HTTP strings to detect browser, operating system, and device type.

Open User-Agent Header Parser

Simulate and inspect DNS record types (A, AAAA, MX, TXT) for any domain name.

Open DNS Record Lookup Simulator

Searchable directory and reference guide for well-known network TCP/UDP ports.

Open TCP/UDP Common Port Reference Guide

Calculate usable IP host ranges from CIDR subnets.

Open CIDR IP Subnet Mask & Host Range Calculator

Lookup hardware vendor from MAC address OUI prefix.

Open MAC Address OUI Hardware Vendor Reference

Inspect browser engine and OS details from user agent strings.

Open User Agent String Parser & Browser Inspector

Parse URL strings into protocol, host, pathname, and query params.

Open URL Protocol, Host, Path & Query Parameter Parser

Format raw HTTP header strings into clean key-value maps.

Open HTTP Request & Response Headers Formatter