macadress

BUFFALO.INC

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:07:40:00:00:00 /24
Vendor addressAKAMONDORI Bldg., 30-20,Ohsu 3-chome Naka-ku,Nagoya Aichi Pref. JP 460-8315
Country🇯🇵  Japan
RegisteredOct 24, 2001
Block range00:07:40:00:00:00– 00:07:40:FF:FF:FF
Address capacity16,777,216
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. Oct 24, 2001 – Dec 4, 2009 Melco Inc. name changedaddress changed
  2. Dec 4, 2009 – Mar 28, 2013 Buffalo, Inc name changedaddress changed
  3. Mar 28, 2013 – Oct 10, 2015 Buffalo Inc. name changedaddress changed
  4. Oct 10, 2015 – present BUFFALO.INC

Example addresses in this block

00:07:40:00:00:00 00:07:40:7F:FF:FF 00:07:40:FF:FF:FF

Where this block sits

Previous 00:07:3F:00:00:00 /24 Woojyun Systec Co., Ltd. Next 00:07:41:00:00:00 /24 Sierra Automated Systems

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

BUFFALO.INC holds 35 registered blocks in the IEEE registry, ranking #99 of 33,421 organizations by block count.

Other blocks registered to BUFFALO.INC

00:0D:0B:00:00:00 /24 MA-L 00:16:01:00:00:00 /24 MA-L 00:1D:73:00:00:00 /24 MA-L 00:24:A5:00:00:00 /24 MA-L 00:2B:F5:00:00:00 /24 MA-L 00:40:26:00:00:00 /24 MA-L 00:E5:F1:00:00:00 /24 MA-L 10:6F:3F:00:00:00 /24 MA-L 18:C2:BF:00:00:00 /24 MA-L 18:EC:E7:00:00:00 /24 MA-L 34:3D:C4:00:00:00 /24 MA-L 4C:85:8A:00:00:00 /24 MA-L