macadress

Zhejiang Dahua Technology Co., Ltd.

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix3C:EF:8C:00:00:00 /24
Vendor addressNO.1199 Bin An Road,Binjiang District,HangZhou,P.R.China HangZhou ZheJiang CN 310053
Country🇨🇳  China
RegisteredAug 5, 2015
Block range3C:EF:8C:00:00:00– 3C:EF:8C: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. Aug 5, 2015 – Aug 9, 2016 ZHEJIANG DAHUA TECHNOLOGY CO.,LTD. name changedaddress changed
  2. Aug 9, 2016 – present Zhejiang Dahua Technology Co., Ltd.

Example addresses in this block

3C:EF:8C:00:00:00 3C:EF:8C:7F:FF:FF 3C:EF:8C:FF:FF:FF

Where this block sits

Zhejiang Dahua Technology Co., Ltd. holds 27 registered blocks in the IEEE registry, ranking #130 of 33,421 organizations by block count.

Other blocks registered to Zhejiang Dahua Technology Co., Ltd.

08:ED:ED:00:00:00 /24 MA-L 14:A7:8B:00:00:00 /24 MA-L 24:52:6A:00:00:00 /24 MA-L 38:AF:29:00:00:00 /24 MA-L 3C:E3:6B:00:00:00 /24 MA-L 4C:11:BF:00:00:00 /24 MA-L 5C:F5:1A:00:00:00 /24 MA-L 64:FD:29:00:00:00 /24 MA-L 6C:1C:71:00:00:00 /24 MA-L 74:C9:29:00:00:00 /24 MA-L 8C:E9:B4:00:00:00 /24 MA-L 90:02:A9:00:00:00 /24 MA-L