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:E0:3F:00:00:00 /24
Vendor addressNo.666, Shaojia Street, Shuangliu District Chengdu Sichuan CN 610225
Country🇨🇳 China
RegisteredAug 16, 2020
Block range4A:E0:3F:00:00:00– 4A:E0:3F: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 →
Ownership timeline
- Aug 16, 2020 – Aug 20, 2020 Chengdu Superxon Communicaiton Technology Co., Ltd. name changed
- Aug 20, 2020 – Jul 11, 2026 Chengdu Superxon communication Technology Co. Ltd. name changed
- Jul 11, 2026 – present Chengdu Superxon Communication Technology Co., Ltd.
Example addresses in this block
Where this block sits
Chengdu Superxon Communication Technology Co., Ltd. holds 2 registered blocks in the IEEE registry, ranking #1,720 of 33,427 organizations by block count.
Other blocks registered to Chengdu Superxon Communication Technology Co., Ltd.