Woods Hole Oceanographic Institution - MAC Prefix 70B3D515C (MA-S)

What this means

The IEEE assigned the MA-S block 70B3D515C to Woods Hole Oceanographic Institution. 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:D5:15:C, it is Woods Hole Oceanographic Institution hardware.

Frequently Asked Questions

Who owns MAC prefix 70B3D515C?

70B3D515C is registered to Woods Hole Oceanographic Institution 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. Woods Hole Oceanographic Institution's block covers 4,096 addresses.

What devices use 70B3D515C?

Any network device with a MAC address starting 70:B3:D5:15:C was manufactured by or for Woods Hole Oceanographic Institution.

OUI prefix	70B3D515C
Vendor	Woods Hole Oceanographic Institution
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:D5:15:C:00:00:00