Jiangsu Huitong Group Co.,Ltd. — 6 prefixes (MA-L)

A MAC address beginning with 08:EB:29, 94:C7:A8, 18:BF:1C, C0:5D:39, 40:E1:71, or A8:42:A7 identifies hardware built by Jiangsu Huitong Group Co.,Ltd., a Chinese manufacturer of embedded consumer-electronics and automotive control modules headquartered in Zhenjiang, Jiangsu. The company holds six separate MA-L (24-bit) OUI blocks under one consistent legal name and registered address, a multi-OUI footprint that itself signals an operating manufacturer rather than a one-off registration.

Jiangsu Huitong traces its manufacturing history to 1958 and was reorganized into its current form in 1994 from the former Zhenjiang Connector General Factory. It carries a National Torch Program Key high-tech Enterprise designation and Jiangsu provincial high-tech enterprise status, plus ISO9001, ISO14001, IECQ-QC080000, and IATF16949 process certifications alongside CE, GS, UL, FCC, and 3C product certifications.

Its product lines are embedded control and human-interface modules: smart remote controls, smart-home controllers and key modules, backlight modules, automotive ECUs, lighting electronics, and HID modules built into TVs, set-top boxes, air conditioners, automotive systems, Blu-ray players, and audio gear. The company's own materials do not explicitly describe a Wi-Fi or Bluetooth product line, so the link from these OUIs to a specific networked device model is inferential, not a direct vendor claim.

No CVEs, security advisories, or known-exploited-device reports were found for the company or the two OUIs (A8:42:A7, 08:EB:29) individually indexed by third-party MAC lookup tools — an absence of findings, not a confirmed clean record. A third-party site lists a 2020 "registered on" date for A8:42:A7; IEEE itself publishes no assignment dates, so that figure is a database artifact and is not recorded here as fact.

IEEE assignment

6 MA-L prefixes → Jiangsu Huitong Group Co.,Ltd., registered Zhenjiang, Jiangsu, CN [Confirmed] — the IEEE MA-L registry (lines 3419,23003,25393,31824,32351,32892), cross-checked the Wireshark manufacturer database (lines 18520,20506,26397,44193,46597,49521)

Registry / block size

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

Registered address

No. 24, Block 2, Taohuawu New District, Zhenjiang, Jiangsu, CN 212003 [Confirmed] — the IEEE MA-L registry

Company identity/history

reorganized 1994 from the former Zhenjiang Connector General Factory, connector manufacturing traced to 1958; National Torch Program Key high-tech Enterprise + Jiangsu high-tech enterprise designation [Likely] — https://jshtgroup.com/en/index.html

Certifications

ISO9001, ISO14001, IECQ-QC080000, IATF16949 process certifications; CE/GS/UL/FCC/3C product certifications [Likely] — https://jshtgroup.com/en/index.html

Device types / products

smart remote controls, smart-home controllers/key modules, backlight modules, automotive ECUs, lighting electronics, HID modules for TVs/STBs/ACs/automotive systems/Blu-ray players/audio gear [Likely] — https://jshtgroup.com/en/index.html

Company substance assessment

SUBSTANTIVE — ~30-year corporate history, real manufacturing address corroborated by independent trade-data sources, 6 separate OUI blocks registered to the same entity/address [Likely] — https://panjiva.com/Jiangsu-Huitong-Group-Co-Ltd/33398212, https://www.trademo.com/companies/jiangsu-huitong-group-co-limited/4472279

Individually-indexed OUIs on third-party tools

A8:42:A7, 08:EB:29 [Likely] — https://maclookup.app/macaddress/a842a7, https://www.files-conversion.com/mac-lookup/08-EB-29

Assignment/registration date

Unknown — IEEE's OUI registry publishes no per-assignment date column; a third-party "17 November 2020" date for A8:42:A7 is a database artifact, not an IEEE fact, and is not recorded as such [Unknown] — the IEEE MA-L registry; https://maclookup.app/macaddress/a842a7 (artifact caveat only)

IANA reference

Not applicable to an OUI/MA-L entry; left blank rather than fabricated [Confirmed] — n/a

Security context

No CVEs, advisories, or known-exploited-device reports found for the vendor or either checked OUI [Unknown] — targeted search, no hits (absence of findings, not confirmed clean)

IEEE primary-registry direct fetch

blocked (HTTP 418 from standards-oui.ieee.org); relied on cached registry CSVs plus third-party aggregators for cross-check [Confirmed] — noted for follow-up if primary-source confirmation is required