Beijing Netswift Technology Co.,Ltd. (30:09:F9:20:00:00 /28)

Beijing Netswift Technology Co.,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.

Prefix30:09:F9:20:00:00 /28

Vendor addressNo. 7, 7th floor, No.49 Zhichun Road, Haidian District Beijing Beijing CN 100190

Block range30:09:F9:20:00:00– 30:09:F9:2F: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

30:09:F9:20:00:00 30:09:F9:27:FF:FF 30:09:F9:2F:FF:FF

Other blocks registered to Beijing Netswift Technology Co.,Ltd.

E0:E2:D1:00:00:00 /24 MA-L