Technical debt in real life (opens in new tab)

I was running a consulting company in my garage in the early 90's. A few years later I was hosting public web-servers from the same site. You needed a public IP-address to run a public server, and I had aquired a C-network from the Swedish domain registry at that time, KTH.As I was running both public and non-public servers, I divided the network in subnets according to the RFC. I.e. a network with netmask Fast foward to last week. Modern times but still running IPv4 with same network setup, ...