JSC "Svyaz Inginiring M"

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.

PrefixE4:4C:C7:30:00:00 /28

Vendor addressVarshavskoe Shosse, 42 Moscow RU 115230

RegisteredNov 30, 2018

Block rangeE4:4C:C7:30:00:00– E4:4C:C7:3F: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

E4:4C:C7:30:00:00 E4:4C:C7:37:FF:FF E4:4C:C7:3F:FF:FF

Where this block sits

Previous E4:4C:C7:20:00:00 /28 Doowon Electronics & Telecom Co.,Ltd Next E4:4C:C7:40:00:00 /28 Beijing Zhongchuangwei Nanjing Quantum Communication Technology Co., Ltd.

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

JSC "Svyaz Inginiring M" holds 1 registered blocks in the IEEE registry, ranking #17,319 of 33,421 organizations by block count.