Masscan
network analysis
The fastest Internet port scanner. Can scan the entire Internet in under 5 minutes, transmitting 10 million packets per second.
fast scanninglarge networksport scanning
Legal & Ethical Use
- Large-scale authorized network scanning
- Security research
- Asset discovery on owned infrastructure
Installation
bash
$
sudo apt install masscanBasic Commands
bash
$
masscan 192.168.1.0/24 -p80Scan port 80 on subnet
bash
$
masscan 192.168.1.0/24 -p1-65535 --rate=1000Full port scan with rate limit
bash
$
masscan -oL output.txt 10.0.0.0/8 -p443Save results to file
Advantages
- Extremely fast
- Asynchronous scanning
- Low resource usage
Limitations
- Less accurate than nmap
- Can trigger IDS alerts
- Limited service detection