=> Download SolarWinds Network Device Scannerīest for: Network and security admins of small, enterprise-scale, private, or government IT infrastructures. Network Scanning also refers to Port Scanning in which the data packets are sent to a specified port number. Detect TCP Sequence Number of both the hosts.Identifying filtering systems between two active hosts on a network.In short, the Network Scanning process includes: This procedure is used for system maintenance and security assessment of a network. It is also being used by attackers to hack the system. Network Scanning is a process that can be defined in many ways, it identifies the active hosts (Clients and servers) on a network and their activities to attack a network. Top Network Scanning Tools (IP and Network Scanner).