MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix18:DC:56:00:00:00 /24
Vendor address8/F.high Tech Plaza,TianAn Cyberpark,Chegongmiao Shenzhen Guangdong CN 518040
Country🇨🇳 China
RegisteredDec 16, 2012
Block range18:DC:56:00:00:00– 18:DC:56: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
- Dec 16, 2012 – Apr 27, 2016 Yulong Computer Telecommunication Scientific(shenzhen)Co.,Lt name changedaddress changed
- Apr 27, 2016 – present Yulong Computer Telecommunication Scientific (Shenzhen) Co.,Ltd
Example addresses in this block
Where this block sits
Yulong Computer Telecommunication Scientific (Shenzhen) Co.,Ltd holds 7 registered blocks in the IEEE registry, ranking #458 of 33,421 organizations by block count.
Other blocks registered to Yulong Computer Telecommunication Scientific (Shenzhen) Co.,Ltd