Sichuan Nebula Networks Co.,LTD. (30:09:F9:B0:00:00 /28)

Sichuan Nebula Networks 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:B0:00:00 /28

Vendor addressFloor 21 Building 2,No.200 Tianquan Road,West Hi-Tech Zone, Chengdu Sichuan CN 611731

Block range30:09:F9:B0:00:00– 30:09:F9:BF: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:B0:00:00 30:09:F9:B7:FF:FF 30:09:F9:BF:FF:FF