MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix48:E6:C6:80:00:00 /28
Vendor address1-2-50,YOSHITA HONMACHI HIGASHI-OSAKA OSAKA JP 578-0982
RegisteredJun 15, 2024
Block range48:E6:C6:80:00:00– 48:E6:C6:8F:FF:FF
Address capacity1,048,576
AdministrationUniversally administered: its prefix comes from a block registered through the IEEE Registration Authority
TransmissionUnicast: addressed to a single device
SourceIEEE Registration Authority

Address capacity is the size of this registered block, not a count of devices actually manufactured or online. Registration identifies the organization holding the block, not a specific device model or unit.

Curious how a prefix like this turns into a full address? See how MAC addresses are structured →

Ownership timeline

  1. Jun 15, 2024 – Jul 3, 2024 DRD Automation GmbH name changedaddress changedcountry changed
  2. Jul 3, 2024 – present SANWA ELECTRONIC INSTRUMENT CO.,LTD

Example addresses in this block

Where this block sits

The nearest registered blocks of the same size on either side of this one in IEEE's address space.

SANWA ELECTRONIC INSTRUMENT CO.,LTD holds 1 registered blocks in the IEEE registry, ranking #25,177 of 33,421 organizations by block count.