Internet in Türkiye2 min read
IP addresses in Türkiye, from 1990 to today
How the 16.8 million IPv4 addresses registered to Turkish organisations accumulated, when they were allocated and where IPv6 stands.
Blog
Practical explanations of how the internet actually works.
- Internet in Türkiye2 min read
Internet providers in Türkiye, from our own data
Türk Telekom, Turkcell Superonline, Turkcell, Vodafone, Türksat, TurkNet and others: how much address space each network announces, and where IPv6 and RPKI stand.
- Troubleshooting3 min read
How to read the network information of an IP address
Prefix, ASN, registration, RPKI, reverse DNS and location: what each line of an IP lookup means, and which of them are facts and which are estimates.
- Privacy and security2 min read
How to protect your IP address
What someone can really do with your IP address, what they cannot, and what actually protects you: an updated router, sensible IPv6, VPNs and encrypted DNS.
- Privacy and security2 min read
VPNs and your IP address: what changes, and what doesn't
What websites see with a VPN on, how to check that it works, typical leaks, and what a VPN doesn't protect against.
- Privacy and security2 min read
What can a website see about me?
IP address, headers, browser details and cookies: what is sent automatically, what needs your permission, and what you can limit.
- DNS2 min read
How does reverse DNS work?
Reverse DNS turns an IP address into a name. How the PTR record works, who controls it and why mail servers care.
- Troubleshooting2 min read
Basic internet connection troubleshooting
Nothing loads, or only some sites do? A short, methodical check from your device to DNS.
- Troubleshooting1 min read
What is my router's IP address? Logging in at 192.168.1.1
Which address opens your router's admin page, how to find it if it isn't 192.168.1.1, and what to do when the login page won't load.
- Troubleshooting2 min read
How to troubleshoot IPv6 problems
No IPv6 address, IPv6 that exists but doesn't work, or sites that load slowly: a checklist from your device to your provider.
- Routing2 min read
What is BGP routing?
The protocol that ties networks together: prefixes, AS paths, how traffic finds its way, and why RPKI makes the internet safer.
- DNS2 min read
What is DNS propagation, and how long does it take?
Why a DNS change doesn't show everywhere at once, what TTL has to do with it, and how to plan a migration without downtime.