CHANGHONG (HONGKONG) TRADING LIMITED — 2 prefixes (MA-L)

A MAC address beginning with AC:AC:E2 or E8:C6:E6 belongs to CHANGHONG (HONGKONG) TRADING LIMITED, the Hong Kong-incorporated trading and sourcing arm of Sichuan Changhong Electric Co., Ltd., and is typically seen on Changhong-branded consumer electronics such as televisions, set-top boxes, and home appliances reaching Hong Kong and export markets.

The registrant holds two separate IEEE MA-L (/24) assignments under the same registrant name and address, which is itself a substance signal beyond a bare single-block registration. Sichuan Changhong Electric, founded in 1958, is a large, long-established Chinese manufacturer of TVs, air conditioners, refrigerators, and set-top boxes.

No third-party MAC fingerprint database lists a specific device type for either prefix, so the product association above is inferred from the parent brand and this entity's trading-arm role, not confirmed per-OUI. No CVE or malware/botnet record names this company or either OUI specifically as of an August 2026 search; one loosely related Android platform vulnerability (CVE-2014-7911) affected several Chinese smart-TV brands including Changhong at the OS level, not this hardware or MAC allocation.

IEEE assignment

2 prefixes → CHANGHONG (HONGKONG) TRADING LIMITED, registered Hong Kong, HK [Confirmed] — the IEEE MA-L registry ACACE2, E8C6E6

Registry / block size

MA-L (24-bit OUI); holds 2 IEEE prefixes [Confirmed] — the IEEE MA-L registry ACACE2, E8C6E6

HQ / country

Unit 1412, 14/F., West Tower, Shun Tak Centre, 168-200 Connaught Road Central, HongKong, HK 999077 [Confirmed] — the IEEE MA-L registry ACACE2

Company status

active; Hong Kong-incorporated company (incorporated 2005-05-24 per HK company registry aggregator) [Likely] — https://www.ltddir.com/companies/changhong-hongkong-trading-limited/

Parent company

Sichuan Changhong Electric Co., Ltd., founded 1958, major Chinese consumer-electronics manufacturer (TVs, air conditioners, refrigerators, set-top boxes) [Confirmed] — https://en.wikipedia.org/wiki/Changhong

Device types

television, set-top box, home appliance — inferred from parent brand and this entity's role as Changhong's HK trading arm; not confirmed per-OUI by any MAC fingerprint database

[Likely] — https://maclookup.app/vendors/changhong-hongkong-trading-limited, https://en.wikipedia.org/wiki/Changhong_Technology

Verified sample prefixes (both MA-L, CHANGHONG (HONGKONG) TRADING LIMITED)

AC:AC:E2, E8:C6:E6 [Confirmed] — the IEEE MA-L registry ACACE2, E8C6E6

Registration date

Unknown — IEEE public OUI data publishes no assignment/registration date; maclookup.app's "registered 2021-08-06" / "updated 2024-09-04" figures are third-party database timestamps, not IEEE facts [Confirmed] — https://maclookup.app/vendors/changhong-hongkong-trading-limited

Security context

no CVE or malware/botnet record names this company or either OUI specifically as of an August 2026 search; CVE-2014-7911 (Android privilege-escalation, pre-Lollipop) affected several Chinese smart-TV brands including Changhong at the OS level, not this hardware or MAC allocation

[Likely] — https://www.securityweek.com/backdoors-infiltrate-android-powered-smart-tvs/

Analyst note

Two independent MA-L assignments under one identifiable, verifiable company indicate genuine operating substance beyond a bare shell registration; device type is a brand-level inference and should not be treated as directly confirmed for these two specific blocks

[Confirmed] — the IEEE MA-L registry ACACE2, E8C6E6; https://en.wikipedia.org/wiki/Changhong