Suggest an editImprove this articleRefine the answer for “At what OSI layer does IP operate?”. Your changes go to moderation before they’re published.Approval requiredContentWhat you’re changing🇺🇸EN🇺🇦UAPreviewTitle (EN)Short answer (EN)**IP (Internet Protocol)** operates at the OSI network layer (layer 3, Network Layer). **Key point:** this is the layer where logical addressing, route selection, and packet delivery between networks happen.Shown above the full answer for quick recall.Answer (EN)Image## **IP operates at the OSI network layer (layer 3).** --- ## Detailed explanation **IP (Internet Protocol)** is a protocol that performs the tasks of **logical addressing and routing**, which are exactly the functions of the **OSI network layer (Network Layer, L3)**. At layer 3, the following happens: - determining IP addresses (IPv4 / IPv6) - choosing a route (routing) - delivering packets between networks - working with ICMP and TTL All these functions are exactly the domain of **OSI L3**.For the reviewerNote to the moderator (optional)Visible only to the moderator. Helps review go faster.