ConceptsIP Addresses

IP Addresses

Numeric labels assigned to devices on a network that identify them and enable routing of traffic to and from them. They are fundamental to networking and a key data point in detection, investigation, and access control.

Glossary definition

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IPv4

The most substantial related concept here, covered by 8 lessons.

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CIDR Notation

A compact way to write an IP address range and its network size, such as 192.168.1.0/24, where the number after the slash says how many leading bits define the network. It replaced rigid address classes with flexible subnetting.

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Relatedsorted by lesson coverage

IPv4Start here

lessons

IPv6

lessons

MAC Addresses

lessons

Network

lessons

Packet

lessons

TCP/IP Model

lessons

Show 7 more connections

Private Address Space

lessons

Public Address Space

lessons

ARP

lessons

Default Gateway

lesson

NAT

lesson

PAT

lesson

Routing

lesson

Related Lessons

8 lessons cover this concept

Network Layers and Why They Matter

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Network Identity: IP Addresses, MAC Addresses, and Attribution

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Ports, Protocols, and Services

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DNS Resolution and Name-to-Address Mapping

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NAT, Routing, and Traffic Paths

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Firewalls and Segmentation

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Common Application Protocols and Defender Relevance

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Thinking About Networks Like a Defender

General Beginner