Shenzhen Twowing Technologies Co., Ltd. — 3 prefixes (MA-L)

A MAC address beginning with 6C:EF:C6, 54:93:59, or 1C:5E:E6 belongs to Shenzhen Twowing Technologies Co., Ltd., a Shenzhen, China-based contract manufacturer of telecom-access hardware — typically found on GPON/EPON optical network terminals, IPTV/OTT set-top boxes, Wi-Fi routers, Ethernet switches, USB WiFi adapters, IP cameras, and 5G customer-premises equipment built for telecom-infrastructure customers rather than sold under a retail Twowing brand.

Three separate MA-L blocks are registered to this exact company name in the IEEE OUI registry, which is a stronger substance signal than a single bare registration. Two share a listed factory address in Shiyan, Baoan, Shenzhen; the third lists the same street but a different building, with a registry country field of "US" that is almost certainly a data-entry artifact, since the accompanying postal code (518129) is a Shenzhen code, not a US one.

A concrete, dated device backs the registration: FCC ID 2APKI-TWCWLS076, a USB 2.0 802.11b/g/n adapter built on a Marvell 88W8801 chipset, filed with the FCC on 2018-05-22 (an FCC filing date, not an IEEE assignment date — IEEE publishes none for OUI blocks). Its own user manual states the adapter is customized for Huawei small-cell base-station debugging over Linux, not general-purpose consumer networking.

Business-directory and supplier-profile sources describe Twowing as founded in 2006, ISO 9001/14001 certified, with a reported headcount of 101-200, and OEM/ODM ties to Huawei, ZTE, FiberHome, Nokia/Alcatel-Lucent, Technicolor, Humax, and Alibaba — self-reported claims, not independently audited. A possible NEEQ ("New Third Board") listing under ticker 836301 appears only in aggregator summaries and could not be confirmed against a primary exchange source. No CVE, malware, or botnet writeup names a Twowing-branded device as of an August 2026 search.

Prefixes

6C:EF:C6, 54:93:59, 1C:5E:E6 (MA-L, all confirmed to this exact company name)

Also seen on

OEM/ODM hardware reportedly built for Huawei, ZTE, FiberHome, Nokia/Alcatel-Lucent, Technicolor, Humax, Alibaba (self-reported by vendor profile; not independently audited)

Founded

2006, Shenzhen, Guangdong, China (made-in-china.com supplier profile)

IEEE assignment

3 prefixes → Shenzhen Twowing Technologies Co., Ltd., registered Shenzhen, Guangdong, CN [Confirmed] — the IEEE MA-L registry 6CEFC6, the IEEE MA-L registry 549359, the IEEE MA-L registry 1C5EE6

Registry / block size

MA-L (24-bit OUI); 3 confirmed prefixes, no further blocks found in the IEEE MA-M registry or the IEEE MA-S registry [Confirmed] — the IEEE MA-L registry

HQ / country

Nangang Industrial Building, Tangtou Industrial Park, Shiyan, Baoan, Shenzhen, Guangdong, CN 518108 (two of three registry rows); the third row's country field reads "US" with Shenzhen postal code 518129 — read as a data-entry artifact, not a real US address [Confirmed registry data; "US" field reading is Likely a data-entry error] — the IEEE MA-L registry 549359

Company status

active — supplier storefront live, FCC filing on record, business-directory listings found [Likely] — https://www.made-in-china.com/showroom/twowing123/, https://fccid.io/2APKI-TWCWLS076

Device types

GPON/EPON ONT/ONU, IPTV/OTT set-top boxes, Wi-Fi routers (incl. Wi-Fi 6), Ethernet switches, USB WiFi adapters, IP cameras, 5G CPE [Confirmed] — https://www.made-in-china.com/showroom/twowing123/

Notable product

FCC ID 2APKI-TWCWLS076, USB 2.0 802.11b/g/n (N150) adapter, Marvell 88W8801 chipset, filed 2018-05-22, built for Huawei small-cell base-station debugging over Linux [Confirmed] — https://fccid.io/2APKI-TWCWLS076, http://en.techinfodepot.shoutwiki.com/wiki/Twowing_TWCWLS076, https://usermanual.wiki/TWOWING-TECHNOLOGIES/TWCWLS076

Founded / certifications

founded 2006, ISO 9001 and ISO 14001 certified, reported headcount 101-200 [Likely] — https://www.made-in-china.com/showroom/twowing123/

OEM/ODM relationships

reported customers include Huawei, ZTE, FiberHome, Nokia/Alcatel-Lucent, Technicolor, Humax, Alibaba — self-reported/aggregator claims; the Huawei tie is better supported since it also appears in the TWCWLS076 device's own manual

[Likely] — https://www.made-in-china.com/showroom/twowing123/, https://usermanual.wiki/TWOWING-TECHNOLOGIES/TWCWLS076

Stock listing

possible NEEQ ("New Third Board") ticker 836301, reported only in aggregator/search-engine summaries; a direct Crunchbase fetch returned HTTP 403 and no primary exchange page was checked [Unknown — could not independently verify] — https://www.crunchbase.com/organization/twowing

Website

no verified official domain — a direct fetch of the vendor's own domain was refused (connection error); the made-in-china.com page is a third-party supplier-platform storefront, not a confirmed corporate site

[Unknown] — attempt logged against made-in-china.com listing only, no working primary domain found

Security context

no CVE/NVD record and no malware/botnet writeup names a Twowing-branded device, as of an August 2026 search [Confirmed negative] — https://services.nvd.nist.gov/rest/json/cves/2.0?keywordSearch=Twowing

Related vendors

none verified — no subsidiary or parent-company relationship found [Unknown]

Analyst note

all three prefixes are standard company-specific MA-L registrations, not a shared IEEE base like 70:B3:D5, so a match on any of the three reliably indicates Twowing-built hardware. Because Twowing manufactures on an ODM/OEM basis, the customer-facing brand on such a device may belong to a partner (e.g. Huawei) rather than "Twowing" itself. [Confirmed re: registration type; Likely re: brand-visibility inference] — the IEEE MA-L registry 6CEFC6, the IEEE MA-L registry 549359, the IEEE MA-L registry 1C5EE6