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.
#IPv4
- IP addresses1 min read
What is a subnet mask?
Why 255.255.255.0 and /24 are the same thing, how a mask separates network from host, and what wildcard masks are.
- Privacy and security2 min read
What is CGNAT (carrier-grade NAT)?
Why your provider may be sharing one public IPv4 address with hundreds of customers, how to tell, and what it breaks.
- IP addresses2 min read
Public vs private IP addresses
Why your laptop's address starts with 192.168 while websites see something else — and what that means for connectivity and privacy.
- IP addresses2 min read
CIDR and subnets, explained with examples
What /24 means, how to calculate network and broadcast addresses, and how to split a network into subnets — without memorising tables.
- IP addresses2 min read
IPv4 vs IPv6: what actually changes
Address size is the headline, but the real differences are in how networks are numbered, how devices configure themselves, and what happens to NAT.
- IP addresses2 min read
What is an IP address?
The number that identifies your connection on the internet — what it is, who assigns it, and what it does and doesn't reveal about you.