DisplayLink (UK) Ltd — 2 prefixes (MA-L)
Summary
- // what this is
- DisplayLink is registered to MAC prefix
00:0F:9Dand 1 more in the IEEE OUI database. When a device's MAC address begins with00:0F:9D, that block was registered by DisplayLink — the OUI identifies the maker of the network hardware, which is not always the brand on the device. DisplayLink was acquired; the registration remains on record with IEEE. - // analyst note
- A MAC starting 00:0F:9D or 6C:A9:36 identifies DisplayLink (UK) Ltd hardware (USB docks/graphics adapters/monitors) specifically — both blocks are dedicated, not shared IEEE bases.
About this vendor.
A MAC address beginning 00:0F:9D or 6C:A9:36 is registered to DisplayLink (UK) Ltd, a Cambridge, UK company now part of Synaptics Incorporated, and typically identifies a USB docking station, USB graphics adapter, or USB-connected monitor built around DisplayLink's USB display-compression chipsets.
DisplayLink (UK) Ltd was founded in Cambridge in 2003 as a fabless semiconductor/software company developing USB-based display-compression technology that lets a single USB port drive external monitors regardless of the host GPU. Synaptics Incorporated acquired the company in an all-cash $305M deal, announced 2020-07-17 and closed 2020-07-31; the DisplayLink product line continues under Synaptics today.
The registry holds two independent MA-L (/24) assignments for this registrant, each at a different Cambridge address: 00:0F:9D (Mount Pleasant House, CB3 0RN) and 6C:A9:36 (140 Science Park, Milton Road, CB4 0GF). Neither block is a shared IEEE base — both are dedicated /24 allocations held solely by DisplayLink (UK) Ltd, so identification via either prefix applies cleanly without a sub-allocation caveat.
DisplayLink's technology is GPU-agnostic and supports Windows, macOS, ChromeOS, Ubuntu, and Android. Per Synaptics' current product page, device types built on DisplayLink chipsets include docking stations, standalone USB graphics adapters, USB monitors, meeting-room video bars, PCIe expansion cards for desktops/thin clients, digital signage players, and phone-to-desktop cradles. Third-party dock vendors Plugable and V7 independently confirm shipping DisplayLink-chipset docking stations.
No malware or botnet association was found for this vendor as of an August 2026 search. Two known, vendor-disclosed, patched vulnerabilities exist in DisplayLink's Windows driver/support software: CVE-2023-4936, a DLL-sideloading privilege-escalation flaw in the USB Graphics Software installer (CVSS 5.5), and CVE-2018-7884, a DLL-hijacking flaw in the Core Software Cleaner utility. Both are installer/driver-layer local-privilege-escalation issues, not device-firmware or MAC-layer compromises.
- IEEE assignment
- 2 prefixes → DisplayLink (UK) Ltd [Confirmed] — the IEEE MA-L registry 6CA936, the IEEE MA-L registry 000F9D
- Registry / block size
- MA-L (24-bit OUI); 2 dedicated /24 blocks, neither a shared IEEE base [Confirmed] — the IEEE MA-L registry 6CA936, the IEEE MA-L registry 000F9D
- HQ / country
- Cambridge, Cambridgeshire, GB — Mount Pleasant House CB3 0RN (registry address for 00:0F:9D); 140 Science Park, Milton Road, CB4 0GF (registry address for 6C:A9:36) [Confirmed] — the IEEE MA-L registry 000F9D, the IEEE MA-L registry 6CA936
- Company status
- acquired — now part of Synaptics Incorporated (deal announced 2020-07-17, closed 2020-07-31) [Confirmed] — https://investor.synaptics.com/news-releases/news-release-details/synaptics-completes-acquisition-displaylink, https://www.eetimes.com/on-the-ma-trail-synaptics-buys-displaylink/
- Device types
- USB docking stations, USB graphics adapters, USB monitors, meeting-room video bars, PCIe expansion cards, digital signage players, phone-to-desktop cradles [Confirmed] — https://www.synaptics.com/products/displaylink-graphics
- Notable products
- DisplayLink USB Graphics Software and Core Software driver stack; third-party docks from Plugable and V7 [Confirmed] — https://plugable.com/pages/displaylink, https://www.v7world.com/uk/usb-dual-displaylink-docking-station-cd52843-udds2.html
- Verified prefixes
- 00:0F:9D, 6C:A9:36 [Confirmed] — the IEEE MA-L registry 000F9D, the IEEE MA-L registry 6CA936
- MAM / OUI36 sub-allocations
- none found for this registrant [Confirmed] — the IEEE MA-M registry (no matches), the IEEE MA-S registry (no matches)
- Registration dates
- Unknown — IEEE's public OUI registry publishes no assignment/registration dates; maclookup.app displays dates (2004-04-03 for 00:0F:9D, 2019-07-02 for 6C:A9:36) but these are third-party database-scrape artifacts, not IEEE facts, and are not recorded as authoritative here[Unknown] — https://maclookup.app/vendors/displaylink-uk-ltd (excluded as an IEEE date source)
- Security note
- no malware/botnet association found as of an August 2026 search; two patched, vendor-disclosed CVEs in Windows driver/support software (CVE-2023-4936, CVE-2018-7884), both local-privilege-escalation in the installer/driver layer, not device-firmware or MAC-layer [Confirmed] — https://vuldb.com/?id.241963, https://www.synaptics.com/sites/default/files/nr-154525-tc-synaptics_displaylink_windows_driver_security_brief_-_oct2023.pdf, https://github.com/advisories/GHSA-rrpg-pf95-vx86
- Related vendors
- Synaptics Incorporated (parent company since 2020) [Confirmed] — https://investor.synaptics.com/news-releases/news-release-details/synaptics-completes-acquisition-displaylink
- Analyst note
- A MAC starting 00:0F:9D or 6C:A9:36 identifies DisplayLink (UK) Ltd hardware specifically — both are dedicated /24 blocks, not shared IEEE bases, so the identification holds for these two prefixes without a sub-allocation caveat.