Dspread Technology (Beijing) Inc. (A4:11:63:80:00:00 /28)

Dspread Technology (Beijing) Inc. MA-M

MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.

PrefixA4:11:63:80:00:00 /28

Vendor addressJingxin Building, 2045 Suite , Chaoyang District Beijing CN 100027

Block rangeA4:11:63:80:00:00– A4:11:63:8F:FF:FF

Address capacity1,048,576

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

A4:11:63:80:00:00 A4:11:63:87:FF:FF A4:11:63:8F:FF:FF

Other blocks registered to Dspread Technology (Beijing) Inc.

04:D1:6E:50:00:00 /28 MA-M 1C:87:76:00:00:00 /28 MA-M 28:36:38:40:00:00 /28 MA-M 30:3D:51:40:00:00 /28 MA-M 48:08:EB:80:00:00 /28 MA-M 7C:47:7C:A0:00:00 /28 MA-M 94:C9:B7:D0:00:00 /28 MA-M 98:27:82:40:00:00 /28 MA-M CC:C2:61:D0:00:00 /28 MA-M F4:3A:FA:10:00:00 /28 MA-M