# 檢查區域網路IP使用：arp-scan

sudo apt install arp-scan

```
sudo arp-scan --localnet
[sudo] password for pi: 
Interface: wlp4s0, datalink type: EN10MB (Ethernet)
Starting arp-scan 1.9 with 256 hosts (http://www.nta-monitor.com/tools/arp-scan/)
192.168.43.1	88:d7:f6:6a:1f:d0	(Unknown)
192.168.43.9	48:2c:a0:62:34:d3	(Unknown)

2 packets received by filter, 0 packets dropped by kernel
Ending arp-scan 1.9: 256 hosts scanned in 2.695 seconds (94.99 hosts/sec). 2 responded

```


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://kawsing.gitbook.io/opensystem/andoid-shou-ji/untitled-4/linux-cli/jian-cha-ou-yu-wang-lu-ip-shi-yong-arpscan.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.