macadress

HUAQIN TELECOM HONG KONG LTD

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.
PrefixD0:5F:64:30:00:00 /28
Vendor addressUnit 510,5/F, Lincoln Center,20 Yip Fung Street,Fanling N.T. HK 999077
Country🇭🇰  Hong Kong
RegisteredMay 8, 2019
Block rangeD0:5F:64:30:00:00– D0:5F:64:3F: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

D0:5F:64:30:00:00 D0:5F:64:37:FF:FF D0:5F:64:3F:FF:FF

Where this block sits

Previous D0:5F:64:20:00:00 /28 SHANGHAI ZHONGMI COMMUNICATION TECHNOLOGY CO.,LTD Next D0:5F:64:40:00:00 /28 wallbe GmbH

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

HUAQIN TELECOM HONG KONG LTD holds 1 registered blocks in the IEEE registry, ranking #15,188 of 33,421 organizations by block count.