Routrek Networks Corporation

MA-L

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

Prefix00:03:45:00:00:00 /24

Vendor addressNilssei Shin Mizonokuchi Bldg. 1F 23-0011 JP

RegisteredSep 8, 2000

Block range00:03:45:00:00:00– 00:03:45: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 →

Example addresses in this block

00:03:45:00:00:00 00:03:45:7F:FF:FF 00:03:45:FF:FF:FF

Where this block sits

Previous 00:03:44:00:00:00 /24 Tietech.Co., Ltd. Next 00:03:46:00:00:00 /24 KOKUSAI DENKI Electric Inc.

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

Routrek Networks Corporation holds 1 registered blocks in the IEEE registry, ranking #24,814 of 33,427 organizations by block count.