zmap

Fast network scanner for large-scale Internet studies

brewmacoslinux

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Network scanner for Internet-wide network studies

zmapzteezgrab

Scan entire IPv4 address space on port 443$ zmap -p 443 -o results.csv

Scan specific subnet with rate limiting$ zmap -p 80 192.168.0.0/16 -r 10000 -o output.csv

Perform banner grabbing on discovered hosts$ zgrab -p 22 < iplist.txt -o banners.json