macadress

Universal Global Scientific Industrial., Ltd

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix0C:3C:CD:00:00:00 /24
Vendor address141, Lane 351, Taiping Road, Sec.1,Tsao Tuen Nan-Tou Taiwan TW 54261
Country🇹🇼  Taiwan
RegisteredOct 6, 2016
Block range0C:3C:CD:00:00:00– 0C:3C:CD: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. Oct 6, 2016 – Sep 17, 2025 Universal Global Scientific Industrial Co., Ltd. name changed
  2. Sep 17, 2025 – present Universal Global Scientific Industrial., Ltd

Example addresses in this block

0C:3C:CD:00:00:00 0C:3C:CD:7F:FF:FF 0C:3C:CD:FF:FF:FF

Where this block sits

Universal Global Scientific Industrial., Ltd holds 23 registered blocks in the IEEE registry, ranking #154 of 33,427 organizations by block count.

Other blocks registered to Universal Global Scientific Industrial., Ltd

00:10:C6:00:00:00 /24 MA-L 00:16:41:00:00:00 /24 MA-L 00:1A:6B:00:00:00 /24 MA-L 00:1E:37:00:00:00 /24 MA-L 00:21:86:00:00:00 /24 MA-L 00:24:7E:00:00:00 /24 MA-L 00:27:13:00:00:00 /24 MA-L 04:7B:CB:00:00:00 /24 MA-L 08:3A:88:00:00:00 /24 MA-L 10:E1:8E:00:00:00 /24 MA-L 38:7C:76:00:00:00 /24 MA-L 3C:E1:A1:00:00:00 /24 MA-L