Sercomm 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.

Prefix58:95:D8:20:00:00 /28

Vendor address3F,No.81,Yu-Yih Rd.,Chu-Nan Chen Miao-Lih Hsuan TW 115

RegisteredAug 30, 2020

Block range58:95:D8:20:00:00– 58:95:D8:2F: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

58:95:D8:20:00:00 58:95:D8:27:FF:FF 58:95:D8:2F:FF:FF

Where this block sits

Previous 58:95:D8:10:00:00 /28 shenzhen UDD Technologies,co.,Ltd Next 58:95:D8:30:00:00 /28 Tonnet Telecommunication International Co., Ltd.

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

Sercomm Corporation. holds 32 registered blocks in the IEEE registry, ranking #110 of 33,427 organizations by block count.

Other blocks registered to Sercomm Corporation.

00:0E:8F:00:00:00 /24 MA-L 00:C0:02:00:00:00 /24 MA-L 0C:73:29:00:00:00 /24 MA-L 10:50:72:00:00:00 /24 MA-L 14:2E:5E:00:00:00 /24 MA-L 38:02:DE:00:00:00 /24 MA-L 3C:62:F0:00:00:00 /24 MA-L 3C:98:72:00:00:00 /24 MA-L 60:CE:86:00:00:00 /24 MA-L 74:9D:79:00:00:00 /24 MA-L 78:81:02:00:00:00 /24 MA-L 78:94:B4:00:00:00 /24 MA-L