Task 9 - ICMP Network Scanning

Task 9 Scan Types ICMP Network Scanning

How would you perform a ping sweep on the 172.16.x.x network (Netmask: 255.255.0.0) using Nmap? (CIDR notation)

Host Discovery Controls | Nmap Network Scanning

https://nmap.org/book/host-discovery-controls.html#host-discovery-sn

Subnet Mask Cheat Sheet

https://www.aelius.com/njh/subnet_sheet.html

CIDR	Addresses	Hosts	Netmask	Amount of a Class C
/16	65536	65534	255.255.0.0	256

HINT: The CIDR notation for a Class B network with a default netmask is /16

Reveal Flag 🚩

🚩nmap -sn 172.16.0.0/16