What this means
The IEEE assigned the MA-S block 70B3D5E69 to Fire4 Systems UK Ltd. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting 70:B3:D5:E6:9, it is Fire4 Systems UK Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 70B3D5E69?
70B3D5E69 is registered to Fire4 Systems UK Ltd in the IEEE MA-S registry.
What does the MA-S registry type mean?
An MA-S assignment, formerly called OUI-36, covers 36 bits, giving the vendor 4,096 device addresses, the smallest block the IEEE issues. Fire4 Systems UK Ltd's block covers 4,096 addresses.
What devices use 70B3D5E69?
Any network device with a MAC address starting 70:B3:D5:E6:9 was manufactured by or for Fire4 Systems UK Ltd.