![]() In turn, those hosts will respond with an echo reply packet that gives the requestor insight into the status of their IP addresses, response times, latency issues, and more. To initiate a ping sweep, the IP address scanner sends an ICMP echo request via message packets to IP addresses on other devices a user wishes to analyze. ICMP is responsible for notifying users about a variety of network communication issues, such as connectivity failures and server malfunctions, through error messages. IP scanners are capable of conducting ping sweeps using Internet Control Message Protocol (ICMP), which is integrated into any IP suite. These tools help you manage your IP addresses and troubleshoot problems, and they also help you find all the IP addresses of the devices on your network and determine the status of each one (dynamic, static, available, reserved, etc.). Instead of attempting to manually manage these aspects of your network, I recommend using an IP address manager (IPAM), which includes IP scanners. Multiple subnets and an ever-changing string of devices connecting to and disconnecting from the network become problematic. It becomes pretty clear as your network scales, that manually scanning for IP addresses becomes an extremely complex task. This means that if you have multiple subnets on your network, you have to go through each individual router or subnet to determine the IP addresses within the subnet. However, this method doesn’t work across subnets.
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