The author shares their experience using ARP and arp-scan to map devices on their home network, discovering IP addresses, MAC addresses, and manufacturers. The article provides a beginner-friendly explanation of how ARP resolves IP addresses to MAC addresses through broadcast requests and replies.
Background
ARP is a foundational networking protocol used on all IPv4 local networks to map IP addresses to physical MAC addresses. Tools like arp-scan automate network device discovery.
- Source
- Lobsters
- Published
- Oct 18, 2026 at 08:48 PM
- Score
- 5.0 / 10