MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix18:C3:F4:B0:00:00 /28
Vendor addressRazdolnaya str, 76bldg3 Orel Orel region RU 302038
Country🇷🇺 Russia
RegisteredJun 1, 2022
Block range18:C3:F4:B0:00:00– 18:C3:F4: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 →
Ownership timeline
- Jun 1, 2022 – Jun 10, 2022 Shenzhen Chuangxin Internet Communication Technology Co., Ltd name changedaddress changedcountry changed
- Jun 10, 2022 – present VECTOR TECHNOLOGIES, LLC
Example addresses in this block
Where this block sits
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18:C3:F4:A0:00:00 /28
Shenzhen Yunlianxin Technology Co., Ltd.
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18:C3:F4:C0:00:00 /28
HANGZHOU ZHONGKEJIGUANG TECHNOLOGY CO., LTD
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
VECTOR TECHNOLOGIES, LLC holds 2 registered blocks in the IEEE registry, ranking #3,352 of 33,427 organizations by block count.
Other blocks registered to VECTOR TECHNOLOGIES, LLC