- Find websites hosted on an single IP address or a range of addresses
- Find a websites IP address.
- PING an IP or domain.
- What is my IP address?
- Calculate network information from given IP address and subnet mask.
- IP DSBL blacklist lookup.
- View server HTTP response headers and compression information.
- SEO word count.
- Check domains DNS information.
- Check SMTP server for open mail relay.
Other Tools and Information
- Online percentage calculator
- Trigonometry calculator for right angled triangles
- Encode or Decode MD4, URL encoding, Base85 ( ascii85 ) and Base64
- Decode MD5 Hash
- Decode SHA1 Hash
- North America area codes
- Conversion tables
- Product database
- Old tools and utilities can be located here
- Ray Pecoskies tech blog