ipdb.me – a network numbers search engine

Today I’d like to introduce to you: ipdb.me, my latest project.

It’s a little web app where you can search for an IP, an Autonomous System number or a domain name to find information about those.

Although I’m perfectly aware of the fact that there are already numerous tools out there that have similar functionality, I started with developing ipdb.me.  It began mainly a an exercise in Golang, internet technologies in general and, most importantly, for fun.

But the topic was not randomly chosen: I always had to copy & paste information for an IP from different sources until I had all the information I needed together when working at my day job.

So I also did it to have a tool at hand to which I can throw IPs, ASN Numbers, domain names, etc.. and it would always respond something useful.ipdb.me-infopage

In this first public release I’m not quite there. MAC addresses, for example, are not yet supported (but will be once), Whois information is not yet as complete as I’d like it to be (getting correct Whois information is not as easy as I thought, but that’s enough material for another post.) and It’s not yet possible to search for companies and get their assigned AS Numbers back. (but it’s planned as well.)

Also I plan to provide an API for all the information you can now see in the results of a query for easy access in your apps.

Nevertheless I’m happy with the result so far and I’ll keep improving the site continuously.

If you have the time and like using ipdb.me, I’d be very happy to hear from you and receive feedback. Maybe you have an idea that could make ipdb.me more useful for you? Maybe something about it totally sucks and I better change it? Let me know: ipdb.me is on twitter, has a simple contact form for feedback or you may simply leave a comment below.

Hope to see you on ipdb.me,


Only Threema rated uncritical, Telegram rated critical for privacy

The German “Stiftung Warentest” had a closer look (text is german) at instant messengers like WhatsApp, Telegram and Threema. The only one with a good privacy rating: Threema.

When Facebook bought WhatsApp, many started to look for alternatives. Telegram was chosen by millions of new users, probably also because it’s free to use. The problem with things free to use on the internet is this: If something’s free on the internet, you are the product.

This seems to be true yet again – Telegram uploads your full address book to the operators servers, of course without asking for your permission first. This is even more critical when one of the creators of Telegram is VK, the Russian Facebook alternative.

Contrary to that, the swiss based Threema asks for your permission to upload your address book and it’s used for synchronization purposes only. Even if uploaded, only aliases are transmitted.

Only Teleram and Threema provide useful end-to-end encryption, but on Telegram it has to be enabled explicitly (Secret Chat), while on Threema you can’t even disable it.

One constraint is left: none of the tested app is open source.

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