MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
PrefixB4:CF:E0:00:00:00 /24
Vendor addressNo.198, section 1, xueshan avenue, jinyuan town, dayi county chengdu sichuan CN 611330
Country🇨🇳 China
RegisteredMar 12, 2019
Block rangeB4:CF:E0:00:00:00– B4:CF:E0:FF:FF:FF
Address capacity16,777,216
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.
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Example addresses in this block
Where this block sits
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Sichuan tianyi kanghe communications co., LTD holds 5 registered blocks in the IEEE registry, ranking #643 of 33,427 organizations by block count.
Other blocks registered to Sichuan tianyi kanghe communications co., LTD