macadress

Murata Manufacturing Co., Ltd.

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix1C:99:4C:00:00:00 /24
Vendor address1-10-1 Higashikotari Nagaokakyo-shi Kyoto JP 617-8555
Country🇯🇵  Japan
RegisteredJun 12, 2013
Block range1C:99:4C:00:00:00– 1C:99:4C: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. Jun 12, 2013 – Sep 1, 2015 Murata Manufactuaring Co.,Ltd. name changedaddress changed
  2. Sep 1, 2015 – present Murata Manufacturing Co., Ltd.

Example addresses in this block

1C:99:4C:00:00:00 1C:99:4C:7F:FF:FF 1C:99:4C:FF:FF:FF

Where this block sits

Murata Manufacturing Co., Ltd. holds 79 registered blocks in the IEEE registry, ranking #45 of 33,421 organizations by block count.

Other blocks registered to Murata Manufacturing Co., Ltd.

00:0E:6D:00:00:00 /24 MA-L 00:13:E0:00:00:00 /24 MA-L 00:21:E8:00:00:00 /24 MA-L 00:26:E8:00:00:00 /24 MA-L 00:37:6D:00:00:00 /24 MA-L 00:60:57:00:00:00 /24 MA-L 00:9D:6B:00:00:00 /24 MA-L 00:AE:FA:00:00:00 /24 MA-L 04:46:65:00:00:00 /24 MA-L 04:C4:61:00:00:00 /24 MA-L 0C:80:2F:00:00:00 /24 MA-L 10:32:2C:00:00:00 /24 MA-L