IP Reference

Not just another IP calculator!

IPv4 addressing tools including:
- net/subnet/host calculator
- VLSM Calculator
- IP Info tool that provides a comparison between IP addresses for class, common network segment, host addressing validity.
Also a classless subnet listing using network comparison.
-Ping: User defined payload length and ping count. Supported payload patterns 0x00, 0xff, 0xf0, and random.
- MAC OUI lookup to determine network device manufacturer. Also, information on MAC multicast conversion.
- NSLookup for both forward and reverse DNS queries.
- WHOIS for global domain information.
- RFC search by RFC number or keyword(s). Note: RFC titles and abstracts are locally stored. Once an RFC's body is displayed, it is also stored locally. This functionality is for supporting offline searches.
- TCP socket test. User configurable destination and TCP port number. "Send" will send ASCII text. "Enter" will send text followed by a carriage return.
- Ports and Protocols search by number or keyword(s). Includes IP protocols, TCP, UDP, and misc ports.
-Email results: all results except ASCII chart can now be emailed within the app by pressing the email envelope icon next to each results display.

New functionality is in the works and bug reports are appreciated! Show More