Harald Scan is a Bluetooth discovery scanner. It determines Major and Minor device classes according to the Bluetooth SIG specification and attempts to resolve a device’s MAC address to the largest known vendor/MAC address list. Written in Python. This is the Linux 64bit binary release.
You can download it from the following link: https://packetstormsecurity.com/files/download/91980/haraldscan-dist-0.42.tar.gz
Source: https://packetstormsecurity.com/files/91980/Haraldscan-Bluetooth-Discovery-Scanner-64bit-0.42.html