Contact

The best way to reach me is by email: contact@haasje.net.

I read everything, but I am doing this next to a full-time job, so replies can take a few days.

Good reasons to write

• You found an error or an outdated command in a guide.
• You have a question about the IP lookup service or its JSON output.
• You want to request or correct personal data (see the privacy policy).

I cannot offer personal support for your own network, and I do not accept sponsored content.