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Sep 6, 2026 · Fundamentals

Why 192.168.1.1/24 Pings 192.168.1.2/23 Despite Different Network IDs

The article explains why two hosts with different CIDR prefixes can ping each other while two hosts sharing the same network ID cannot, by demonstrating how each computer uses only its own subnet mask to calculate network IDs and decide whether to ARP directly or send via a gateway.