Global Communications Technology LLC - MAC Prefix 70B3D58AD (MA-S)

What this means

The IEEE assigned the MA-S block 70B3D58AD to Global Communications Technology LLC. 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:D5:8A:D, it is Global Communications Technology LLC hardware.

Frequently Asked Questions

Who owns MAC prefix 70B3D58AD?

70B3D58AD is registered to Global Communications Technology LLC 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. Global Communications Technology LLC's block covers 4,096 addresses.

What devices use 70B3D58AD?

Any network device with a MAC address starting 70:B3:D5:8A:D was manufactured by or for Global Communications Technology LLC.

OUI prefix	70B3D58AD
Vendor	Global Communications Technology LLC
Registry	MA-S (36-bit, small block)
Block size	4,096 addresses
Country	US
Other blocks by this vendor	1 total
Example MAC	70:B3:D5:8A:D:00:00:00