Casio Hitachi Mobile Communications Co., Ltd.

MA-L

MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.

Prefix00:1F:C7:00:00:00 /24

Vendor address2-229-1, Sakuragaoka Higashiyamato-shi Tokyo JP 207-8501

RegisteredFeb 9, 2008

Block range00:1F:C7:00:00:00– 00:1F:C7: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

Feb 9, 2008 – Nov 4, 2015 Casio Hitachi Mobile Comunications Co., Ltd. name changedaddress changed
Nov 4, 2015 – present Casio Hitachi Mobile Communications Co., Ltd.

Example addresses in this block

00:1F:C7:00:00:00 00:1F:C7:7F:FF:FF 00:1F:C7:FF:FF:FF

Where this block sits

Previous 00:1F:C6:00:00:00 /24 ASUSTek COMPUTER INC. Next 00:1F:C8:00:00:00 /24 Up-Today Industrial Co., Ltd.

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

Casio Hitachi Mobile Communications Co., Ltd. holds 1 registered blocks in the IEEE registry, ranking #7,886 of 33,427 organizations by block count.