Dolphin Electronics (DongGuan) Co., Ltd. — 0C:9F:71 (MA-L)

The slug vendor-dolphin-electronics maps to a single IEEE MA-L block, 0C:9F:71, registered to "Dolphin Electronics (DongGuan) Co., Ltd." in Houjie Town, Dongguan, Guangdong, China — a 24-bit OUI covering roughly 16.7 million addresses. This is an OEM/ODM consumer-electronics manufacturer, not a networking vendor: every product traceable to the company through FCC grantee code 2A8JA is a Bluetooth audio accessory — portable Bluetooth speakers, TWS earbuds, wireless earphones, headsets, and neckband headphones — all operating in the 2402–2480 MHz band with no Wi-Fi, Ethernet, or IP-networking radios. The practical asset-classification consequence is that seeing 0C:9F:71 on a network almost always means a Bluetooth peripheral that has paired or bridged onto the LAN, not infrastructure gear. Name disambiguation matters here: at least three other unrelated "Dolphin" organizations hold IEEE registrations — "Dolphin Concepts Limited" (MA-M, 50:FF:99:8x, Hong Kong), "Dolphin Interconnect Solutions AS" (MA-L, 00:12:A5, Norway, a PCI Express/interconnect company), and "Shenzhen Dolphin Electronic Co., Ltd" (MA-L, 00:1D:15) — none of which is this Dongguan vendor. The company has no standalone corporate website; its public footprint is the Global Sources B2B listing plus FCC filings, and it exports under multiple downstream brand names to US distributors. IEEE publishes no registration date for this or any OUI, so none is recorded here.

IEEE assignment

0C:9F:71 → Dolphin Electronics (DongGuan) Co., Ltd. [Confirmed] — IEEE MA-L registry (line 497), corroborated by maclookup.app + api.macvendors.com/0C:9F:71

Registry / block size

MA-L (24-bit OUI; ~16.7M addresses) [Confirmed] — IEEE MA-L registry; maclookup.app

HQ / country

Building 3, No.2 Baolong Road, Houjie Town, Dongguan, Guangdong, CN 523000 (registry address; FCC/import records cite Room 301, Building 3) [Confirmed] — IEEE MA-L registry; fccid.io (grantee 2A8JA); importkey.com

Company status

active (current FCC filings + B2B listing) [Likely] — globalsources.com; fccid.io

Device types

Bluetooth audio accessories — portable/outdoor Bluetooth speakers, TWS earbuds, wireless earphones, Bluetooth headsets, neckband headphones; all FCC-filed products (grantee 2A8JA) are Bluetooth-only (2402–2480 MHz), no Wi-Fi/Ethernet/IP networking hardware

[Confirmed] — fccid.io/2A8JA-IMW344, fccid.io/2A8JA-IMW445N, fccid.io/2A8JA-IMW4100, fccid.io/2A8JA-IMW3000, globalsources.com

Vendor website

none located; presence via Global Sources (B2B) and FCC grantee code 2A8JA [Likely] — globalsources.com/dolphin-electronics; importkey.com

IEEE registration date

none — IEEE publishes NO assignment/registration date for OUI/MAC prefixes (the IEEE MA-L registry columns are only Registry, Assignment, Organization Name, Organization Address). maclookup.app shows a "first seen" 2022-06-10 for 0C:9F:71, but that is a third-party database artifact, not an IEEE fact.

[Confirmed] — IEEE MA-L registry; maclookup.app

Export / branding

ships to US distributors (buyers incl. CSI Imports, Sakar International Inc.); devices reach consumer markets under multiple downstream brand names [Likely] — importkey.com; device.report

Security context

no CVEs or vendor-specific advisories found for this manufacturer. As a Bluetooth-audio OEM, the device class is subject to generic Bluetooth protocol risks (e.g. BlueBorne CVE-2017-1000251, BLESA, CVE-2023-45866 HID injection), but no device-specific disclosures were identified.

[Likely] — fccid.io; public CVE search (no vendor-specific hits)

Related/unrelated vendors (data trap)

"Dolphin Concepts Limited" (MA-M, 50:FF:99:8x, HK), "Dolphin Interconnect Solutions AS" (MA-L, 00:12:A5, Norway, PCIe interconnect), "Shenzhen Dolphin Electronic Co., Ltd" (MA-L, 00:1D:15) — all separate, unrelated companies.

[Confirmed] — IEEE registries (the IEEE MA-L registry, the IEEE MA-M registry)

Analyst note

0C:9F:71 on a network indicates a paired/bridged Bluetooth peripheral, not infrastructure. Treat any maclookup "date registered" as a database artifact, never as an IEEE registration date.