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 32bit binary release.
You can download it from the following link: https://packetstormsecurity.com/files/download/91981/haraldscan-dist-32-0.42.tar.gz
Source: https://packetstormsecurity.com/files/91981/Haraldscan-Bluetooth-Discovery-Scanner-32bit-0.42.html