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Game

Subnet Slicer

CIDR quick-fire quiz. Slice blocks into subnets, count hosts, and find network/broadcast addresses before time runs out.

Tap an answer. 1–4 keys also work.
How to play

Each question gives you a CIDR block and four answers. Click the right one. Streaks earn points; wrong answers cost time. Climb the belt ranks as you go.

NetworkingMath5-min rounds
Belt ranks
  • White 0+
  • Yellow 3+
  • Green 8+
  • Blue 15+
  • Brown 25+
  • Black 40+
  • Sensei 60+
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