YUYAMA MFG Co.,Ltd

IAB

IAB: an Individual Address Block, a /36 covering 4,096 addresses. IEEE's predecessor to MA-S; no longer issued, but existing assignments remain valid.

Prefix00:50:C2:A2:E0:00 /36

Vendor address3-3-1 TOYONAKASHI OSAKA JP 561-0841

Country🇯🇵 Japan

RegisteredJan 18, 2009

Block range00:50:C2:A2:E0:00– 00:50:C2:A2:EF:FF

Address capacity4,096

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

00:50:C2:A2:E0:00 00:50:C2:A2:E7:FF 00:50:C2:A2:EF:FF

Where this block sits

Previous 00:50:C2:A2:D0:00 /36 Inventure Inc. Next 00:50:C2:A2:F0:00 /36 DragonFly Scientific LLC

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

YUYAMA MFG Co.,Ltd holds 50 registered blocks in the IEEE registry, ranking #73 of 33,421 organizations by block count.

Other blocks registered to YUYAMA MFG Co.,Ltd

00:50:C2:39:B0:00 /36 IAB 00:50:C2:EE:C0:00 /36 IAB 40:D8:55:0F:F0:00 /36 IAB 70:B3:D5:15:00:00 /36 MA-S 70:B3:D5:19:60:00 /36 MA-S 70:B3:D5:1F:20:00 /36 MA-S 70:B3:D5:2D:E0:00 /36 MA-S 70:B3:D5:5C:80:00 /36 MA-S 70:B3:D5:74:20:00 /36 MA-S 70:B3:D5:85:F0:00 /36 MA-S 70:B3:D5:9C:70:00 /36 MA-S 70:B3:D5:B2:20:00 /36 MA-S