You can sort the list by device name, IP address, MAC address, or last seen time. The app will start scanning your network and display a list of all the active devices it finds. Once you have selected your network interface, click on the Scan button at the top right corner. You can also specify a custom IP range or subnet mask if you want to scan a specific segment of your network. To scan your network with IP Scanner Pro, you need to launch the app and select the network interface you want to use from the drop-down menu at the top left corner. Scanning Your Network with IP Scanner Pro You may need to grant the app permission to access your network in the System Preferences > Security & Privacy > Privacy > Network section. Once you have downloaded the app, you need to install it on your Mac by dragging and dropping it into your Applications folder. The Ultra version costs $19.99 and requires a subscription to access all the pro features. You can choose to download the free version, which has some limitations, or the Ultra version, which has more features and supports iOS, macOS, and tvOS devices. To download IP Scanner Pro, you need to visit the official website of the developer, 10base-t Interactive. This effort didn't seem to have any effect and the same problem exists in iOS 12.Downloading and Installing IP Scanner Pro Note 3: The Fing app guys who were facing the same issue created a petition here asking Apple to make MAC addresses accessible by network utility apps. Note 2: If you are wondering why your router's management app can show MAC addresses of connected devices, please check this FAQ. Licenses cannot be shared between Android and iOS though so the Android version of the app has to be re-purchased from the Play Store. Note 1: Right now there is no such limitation on Android so if you have access to an Android phone, you can use the Android version of the app (or the free version). Maybe a a significant number of "me too"s might convince Apple to keep the ARP table accessible in some way. If the removal of the MAC-related features from the LAN scanner affects your business you might consider contacting Apple and explaining why it is important for you (you could reference the report number from the paragraph above so they can find more technical explanation of the problem). I created a new bug report in the Apple bug reporter (for reference, the number of the report is 32971866) suggesting this solution but it's up to Apple to decide whether to implement this or not. Apps which don't show MAC addresses directly to users wouldn't be allowed to get this permission. I believe there is a technical solution to this problem - there could be a new permission like "Network Utility" (either exposed to users or hidden from users and only checked during app review) which would allow network utility apps to access the potentially sensitive network-related information. This is a very unfortunate situation as it severely limits the functionality of the LAN scanner. checking the label on the back of the device or through the device's configuration menus - and then entered manually to the app. For WOL the MAC address has to be determined by some other means - e.g. Custom names cannot be assigned to the discovered devices - there is no unique identification of the discovered devices apart from their MAC (IP addresses can change because of DHCP) so the app doesn't know to which device the name should be assigned.Manufacturers of the scanned devices cannot be shown as these are derived from the first 3 bytes of the MAC address using the OUI database.MAC addresses of the scanned devices cannot be shown.The consequences of not having access to the MAC addresses in the ARP table are: I talked with Apple engineers about this problem at WWDC and was told that this is a privacy feature of iOS because MAC addresses are unique and some developers misuse them to track users. This happens because since iOS 11 Apple doesn't allow apps to access the MAC addresses in the ARP table of the operating system and read the addresses from there during the scan. On iOS 11 or later the LAN scanner doesn't show MAC addresses. MAC addresses aren't available in the LAN scanner under iOS 11
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