MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:E6:66:00:00:00 /24
Vendor address6F.,No.866,Zhongzheng Rd.,Zhonghe Dist., New Taipei City Taiwan TW 23586
Country🇹🇼 Taiwan
RegisteredAug 14, 2012
Block range00:E6:66:00:00:00– 00:E6:66: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
Where this block sits
ARIMA Communications Corp. holds 5 registered blocks in the IEEE registry, ranking #551 of 33,421 organizations by block count.
Other blocks registered to ARIMA Communications Corp.