WUHAN HIKSTORAGE TECHNOLOGY CO.,LTD
CID
CID: a Company ID, not a MAC OUI. It identifies an organization for use in other IEEE 802 protocols, most commonly locally administered ELI-quadrant addresses, rather than being burned into hardware directly.
Prefix4A:C0:3F:00:00:00 /24
Vendor addressRm.01, 21/F, F4 Building, 5th Phase-NO.1 Software Park, Guanshan 1 Rd, East Lake Development Zone, Wuhan, China(430040) Wuhan Hubei CN 430040
Country🇨🇳 China
Block range4A:C0:3F:00:00:00– 4A:C0:3F:FF:FF:FF
Address capacity16,777,216
AdministrationLocally administered: set by software, not burned into hardware
TransmissionUnicast: addressed to a single device
IEEE 802c quadrantELI: Extended Local Identifier
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