Shanghai Amphenol Airwave Communication Electronics Co.,Ltd. (B4:DD:E0:00:00:00 /24)

Shanghai Amphenol Airwave Communication Electronics Co.,Ltd. MA-L

MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.

PrefixB4:DD:E0:00:00:00 /24

Vendor addressNO. 689 Shen Nan Road, Xin Zhuang Industry Park Shanghai 201108 P. R. China Shanghai Shanghai CN 201108

Block rangeB4:DD:E0:00:00:00– B4:DD:E0: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

B4:DD:E0:00:00:00 B4:DD:E0:7F:FF:FF B4:DD:E0:FF:FF:FF