China Broadband Wireless IP Standard group(ChinaBWIPS)

MA-L

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

Prefix00:14:72:00:00:00 /24

Vendor addressP.O.BOX 88,West High-tech Xi'an Shaan Xi CN 710075

RegisteredMay 7, 2005

Block range00:14:72:00:00:00– 00:14:72: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

May 7, 2005 – Feb 23, 2018 China Broadband Wireless IP Standard Group name changedaddress changed
Feb 23, 2018 – present China Broadband Wireless IP Standard group(ChinaBWIPS)

Example addresses in this block

00:14:72:00:00:00 00:14:72:7F:FF:FF 00:14:72:FF:FF:FF

Where this block sits

Previous 00:14:71:00:00:00 /24 Eastern Asia Technology Limited Next 00:14:73:00:00:00 /24 Bookham Inc

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

China Broadband Wireless IP Standard group(ChinaBWIPS) holds 1 registered blocks in the IEEE registry, ranking #8,311 of 33,427 organizations by block count.