[[An adult stands in front of a campfire with three children listening intently. The adult holds a flashlight under his chin to create a menacing visage.]] Adult: But when she traced the killer's IP address... It was in the 192.168 16 block! Children, together: GASP! {{Title text: 100 years later, this story remains terrifying--not because it's the local network block, but because the killer is still on IPv4.}}