Dongguan Huayin Electronic Technology Co., Ltd. — 5 prefixes (MA-L)

A MAC address beginning with one of five prefixes — 34:09:C9, F4:B6:2D, 0C:54:27, A4:C1:39, or 18:9C:2C — belongs to Dongguan Huayin Electronic Technology Co., Ltd., a manufacturer registered in Shipai Town, Dongguan, Guangdong, China. IEEE's MA-L registry confirms all five blocks under an identical company name and address, but no independent source identifies what device category the company builds.

Holding five separate large (/24) OUI blocks under one identical registrant is a genuine first-party signal of an active hardware manufacturer, distinct from a bare single-OUI registration. IEEE's cached the IEEE MA-L registry confirms the assignments, and a cross-check against the Wireshark-derived the Wireshark manufacturer database file corroborates the same five prefixes with no additional data.

Beyond the registry entry, the company has no independently verifiable public footprint: no dedicated corporate website, no Alibaba/1688/Made-in-China supplier listing, and no FCC ID filing were found. No matching Chinese business-registry record turned up under this exact name either, in English or Chinese-language searches.

Several similarly named but distinct Dongguan-area firms surfaced during research — Huayang Electronic Technology (power supplies), Huanyin Electronic Products (audio accessories), Dalang Huayin Electronic (voice coils), and Huaqing Electronic Technology — none of which is confirmed as this registrant.

The third-party aggregator maclookup.app lists per-prefix "registered" dates spanning 2023 through 2026, but these are database ingestion artifacts, not IEEE facts. IEEE's public OUI registry publishes no assignment or registration dates, so no date is recorded for these blocks.

IEEE assignment

5 MA-L prefixes → Dongguan Huayin Electronic Technology Co., Ltd., registered Shipai Town, Dongguan, Guangdong, CN [Confirmed] — the IEEE MA-L registry

Registry / block size

MA-L (24-bit OUI) only; no MA-M (the IEEE MA-M registry) or MA-S (the IEEE MA-S registry) block under this exact org name [Confirmed] — the IEEE MA-M registry, the IEEE MA-S registry

Address

Room 101, No.8 Xinglong 3rd Road, Shipai Town, Dongguan, Guangdong, CN 523000 [Confirmed] — the IEEE MA-L registry

OUI blocks

34:09:C9, F4:B6:2D, 0C:54:27, A4:C1:39, 18:9C:2C [Confirmed] — the IEEE MA-L registry; corroborated by the Wireshark manufacturer database

Registration date

Unknown — IEEE's the IEEE MA-L registry publishes no assignment/registration date; third-party "registered" dates (maclookup.app: 2023-10-19, 2024-09-06, 2025-05-23, 2025-10-15, 2026-05-12) are database ingestion artifacts, not IEEE facts

[Confirmed] — https://maclookup.app/vendors/dongguan-huayin-electronic-technology-co-ltd

Device types

Unknown — no product line, device category, or end-use context identifiable from any independent source [Unknown] — web search (general EN+CN name, Alibaba/1688/made-in-china, FCC ID)

Corporate web presence

Not found — no dedicated company website, no Alibaba/1688/made-in-china supplier profile, no FCC ID filing, no matching Chinese business-registry (qcc/tianyancha/baike) entry under this exact name

[Confirmed] — https://maclookup.app/vendors/dongguan-huayin-electronic-technology-co-ltd, https://fccid.io/

Similarly named but distinct companies

Huayang Electronic Technology (power supplies), Huanyin Electronic Products (audio accessories), Dalang Huayin Electronic (voice coils), Huaqing Electronic Technology — none confirmed as this registrant [Confirmed as non-matches] — https://dg-huayuan.en.made-in-china.com/, https://said-ele.en.alibaba.com/, https://www.asiaguide.org/company-dalang-huayin-electronic-dongguan-45520, https://www.tradeindia.com/dongguan-huaqing-electronic-technology-co-ltd-33522686/

Company substance signal

5 distinct MA-L blocks under one identical registrant name+address is a genuine first-party (IEEE registry) substance indicator, though no independent corporate identity or device context was found [Likely] — the IEEE MA-L registry