TP-LINK TECHNOLOGIES CO.,LTD.

MA-L

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

Prefix00:27:19:00:00:00 /24

Vendor addressBuilding 7, Second Part, Honghualing Industrial Zone Shenzhen Guangdong CN 518057

RegisteredAug 2, 2009

Block range00:27:19:00:00:00– 00:27:19: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

Aug 2, 2009 – Sep 2, 2015 TP-LINK TECHNOLOGIES CO., LTD. name changedaddress changed
Sep 2, 2015 – present TP-LINK TECHNOLOGIES CO.,LTD.

Example addresses in this block

00:27:19:00:00:00 00:27:19:7F:FF:FF 00:27:19:FF:FF:FF

Where this block sits

Previous 00:27:18:00:00:00 /24 Suzhou NEW SEAUNION Video Technology Co.,Ltd Next 00:27:1A:00:00:00 /24 Geenovo Technology Ltd.

The nearest registered blocks of the same size on either side of this one in IEEE's address space.

TP-LINK TECHNOLOGIES CO.,LTD. holds 174 registered blocks in the IEEE registry, ranking #20 of 33,421 organizations by block count.

Other blocks registered to TP-LINK TECHNOLOGIES CO.,LTD.

00:0A:EB:00:00:00 /24 MA-L 00:14:78:00:00:00 /24 MA-L 00:19:E0:00:00:00 /24 MA-L 00:1D:0F:00:00:00 /24 MA-L 00:21:27:00:00:00 /24 MA-L 00:23:CD:00:00:00 /24 MA-L 00:25:86:00:00:00 /24 MA-L 04:F9:F8:00:00:00 /24 MA-L 08:1F:71:00:00:00 /24 MA-L 08:57:00:00:00:00 /24 MA-L 0C:4B:54:00:00:00 /24 MA-L 0C:72:2C:00:00:00 /24 MA-L