SERNET (SUZHOU) TECHNOLOGIES CORPORATION

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.

PrefixB4:4D:43:70:00:00 /28

Vendor addressNO.8 Tangzhuang Road,Suzhou Industrial Park,Su ZhouCity,JiangSu Province,China Suzhou CN 215021

RegisteredMar 4, 2023

Block rangeB4:4D:43:70:00:00– B4:4D:43:7F: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

B4:4D:43:70:00:00 B4:4D:43:77:FF:FF B4:4D:43:7F:FF:FF

Where this block sits

Previous B4:4D:43:60:00:00 /28 Spot AI, Inc. Next B4:4D:43:80:00:00 /28 ShenZhen Launch-Wonder Technology co., LTD

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

SERNET (SUZHOU) TECHNOLOGIES CORPORATION holds 27 registered blocks in the IEEE registry, ranking #129 of 33,421 organizations by block count.

Other blocks registered to SERNET (SUZHOU) TECHNOLOGIES CORPORATION

04:71:53:00:00:00 /24 MA-L 0C:67:14:00:00:00 /24 MA-L 48:3E:5E:00:00:00 /24 MA-L 58:76:AC:00:00:00 /24 MA-L 74:06:35:00:00:00 /24 MA-L 78:B3:9F:00:00:00 /24 MA-L 7C:13:1D:00:00:00 /24 MA-L 98:2C:C6:00:00:00 /24 MA-L A0:95:7F:00:00:00 /24 MA-L C0:9F:51:00:00:00 /24 MA-L C4:0F:A6:00:00:00 /24 MA-L D0:B6:6F:00:00:00 /24 MA-L