Cambridge Industries(Group) Co.,Ltd.

MA-L

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

Prefix70:D9:31:00:00:00 /24

Vendor address22Floor,Qilai Tower;889Yishan Road shanghai CN 200233

RegisteredMar 26, 2015

Block range70:D9:31:00:00:00– 70:D9:31: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

Mar 26, 2015 – Nov 3, 2015 Cambridge Industries Group Co Ltd. name changedaddress changed
Nov 3, 2015 – present Cambridge Industries(Group) Co.,Ltd.

Example addresses in this block

70:D9:31:00:00:00 70:D9:31:7F:FF:FF 70:D9:31:FF:FF:FF

Where this block sits

Cambridge Industries(Group) Co.,Ltd. holds 12 registered blocks in the IEEE registry, ranking #255 of 33,427 organizations by block count.

Other blocks registered to Cambridge Industries(Group) Co.,Ltd.

00:19:C7:00:00:00 /24 MA-L 4C:F2:BF:00:00:00 /24 MA-L 4C:FA:CA:00:00:00 /24 MA-L 5C:1A:6F:00:00:00 /24 MA-L 9C:50:EE:00:00:00 /24 MA-L A4:C7:DE:00:00:00 /24 MA-L A8:25:EB:00:00:00 /24 MA-L A8:58:40:00:00:00 /24 MA-L D0:54:2D:00:00:00 /24 MA-L E0:1D:3B:00:00:00 /24 MA-L FC:B6:98:00:00:00 /24 MA-L