Seiko Epson Corporation (38:9D:92:00:00:00 /24)

Seiko Epson Corporation MA-L

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

Prefix38:9D:92:00:00:00 /24

Vendor address2070 Kotobuki Koaka Matsumoto-shi Nagano-ken JP 399-8702

Block range38:9D:92:00:00:00– 38:9D:92: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

38:9D:92:00:00:00 38:9D:92:7F:FF:FF 38:9D:92:FF:FF:FF

Other blocks registered to Seiko Epson Corporation

00:00:48:00:00:00 /24 MA-L 00:26:AB:00:00:00 /24 MA-L 38:1A:52:00:00:00 /24 MA-L 44:D2:44:00:00:00 /24 MA-L 50:57:9C:00:00:00 /24 MA-L 58:05:D9:00:00:00 /24 MA-L 64:C6:D2:00:00:00 /24 MA-L 64:EB:8C:00:00:00 /24 MA-L 68:55:D4:00:00:00 /24 MA-L 9C:AE:D3:00:00:00 /24 MA-L A4:D7:3C:00:00:00 /24 MA-L A4:EE:57:00:00:00 /24 MA-L