Accelight Technologies (Wuhan) Inc. — IEEE MAC Prefix Identification
Summary
- // what this is
- Accelight Technologies is registered to MAC prefix
C4:67:A1in the IEEE OUI database. When a device's MAC address begins withC4:67:A1, that block was registered by Accelight Technologies — the OUI identifies the maker of the network hardware, which is not always the brand on the device. - // analyst note
- This prefix match identifies a registry assignment, not a particular device, product, deployment, traffic prevalence, or security state. Its 24-bit suffix permits 16,777,216 possible values; this is not a device or shipment count. The first-byte Group and Local bits are both zero for the exact prefix.
About this vendor.
A MAC address beginning C4:67:A1 matches an IEEE MA-L assignment registered to Accelight Technologies (Wuhan) Inc.; the prefix alone does not identify a device type or prove which vendor made the device. The IEEE record contains one assignment, C4:67:A1, with a 24-bit matching boundary. The supplied record identifies China at the country level.
The first octet, C4, has Group and Local bits both set to 0. Those bits are fixed for this exact prefix; changing either bit produces a different prefix. The remaining 24 bits allow 16,777,216 possible suffix values, a mathematical address space rather than a count of devices or shipments. RFC 7042 describes the structure of 48-bit MAC identifiers and these bit meanings.
Patent records list the company as assignee of disclosures concerning optical fiber splice closures and connector boxes. This supports optical-fiber equipment as company product context, but does not link either product to this MAC assignment. A matching prefix establishes the registry assignment only; it does not establish deployment, traffic prevalence, current device identity, or safety.
- Registry match
C4:67:A1is assigned to Accelight Technologies (Wuhan) Inc. under IEEE MA-L.- Device class
- Unknown. The supplied evidence does not establish a device category for this prefix.
- Address boundary
- The match covers the first 24 bits; the remaining 24 bits have 16,777,216 possible values.
- Bit interpretation
- The first-byte Group bit and Local bit are both 0 for this exact prefix.
- Identification limit
- A match supports the registry assignment, not a specific device or product.
- Company
- Accelight Technologies (Wuhan) Inc. [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv
- Registry
- MA-L [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv
- Prefix
C4:67:A1[Confirmed] — https://standards-oui.ieee.org/oui/oui.csv- Total prefix count
- 1 [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv
- Country
- China [Confirmed] — https://standards-oui.ieee.org/oui/oui.csv
- Industry
- Optical-fiber equipment [Likely] — https://patents.google.com/patent/US20240255720A1/en
- Patent context
- The patent records describe an optical fiber splice closure (US20240255720A1) and an optical fiber connector box (US12353038B1); these disclosures establish invention subjects, not confirmed products. Both records report a change of name to Accelight Technologies (Wuhan) Co., Ltd. on 2026-08-13, from Accelight Technologies (Wuhan) Inc. The IEEE registry lists the assigned name as Accelight Technologies (Wuhan) Inc. — https://patents.google.com/patent/US20240255720A1/en; https://patents.google.com/patent/US12353038B1/en; https://standards-oui.ieee.org/oui/oui.csv
- Device types
- No device category is explicitly mapped to this prefix [Unknown]
- Assignment date
- Assignment dates are unavailable in these IEEE CSV records. [Unknown] — https://standards-oui.ieee.org/oui/oui.csv