SHENZHEN KAIFA TECHNOLOGY CO.,LTD. (70:44:1C:00:00:00 /24)

SHENZHEN KAIFA TECHNOLOGY CO.,LTD. MA-L

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

Prefix70:44:1C:00:00:00 /24

Vendor address7006 Caitian Rd., Futian Dist. Shen Zhen Guang Dong CN 518035

Block range70:44:1C:00:00:00– 70:44:1C: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 →

Example addresses in this block

70:44:1C:00:00:00 70:44:1C:7F:FF:FF 70:44:1C:FF:FF:FF

Other blocks registered to SHENZHEN KAIFA TECHNOLOGY CO.,LTD.

5C:85:F8:00:00:00 /24 MA-L