Stratus Technologies — 3 prefixes (MA-L)

A MAC address starting with 00:00:A8, 00:04:FC, or 00:E0:09 belongs to Stratus Technologies, typically seen on ftServer fault-tolerant server hardware. These are three separate, non-shared IEEE MA-L assignments registered to the same organization and address, so the identification here is a direct vendor match rather than an inference drawn from a shared base.

Stratus Technologies traces back to Stratus Computer, founded in 1980 in Natick, Massachusetts by Bill Foster, Bob Freiburghouse, and Gardner Hendrie. The company built continuously-available systems for banking, telecom, and healthcare customers, and changed hands repeatedly over the decades: Ascend Communications acquired it in 1998, an Investcorp-funded management buyout spun off the enterprise division in 1999, and Siris Capital Group acquired it in 2014.

The brand remains active today rather than defunct. Smart Global Holdings purchased Stratus for $225M in 2022 and renamed itself Penguin Solutions in 2024; the ftServer line (current models 2920, 4920, 6910, and 6920, built on Intel Xeon Scalable and running Windows Server, VMware vSphere, or Red Hat Enterprise Linux) is still sold and supported under that parent.

Stratus suffered a confirmed ransomware attack on March 17, 2021, which took its ActiveService Network remote-monitoring service and Stratus Service Portal offline as a containment measure; affected customers spanned banking, telecom, emergency services, and healthcare. No product-level CVEs for ftServer hardware or the legacy VOS operating system turned up in this research pass — that is reported as unknown/none-found, not as a confirmed clean record.

IEEE assignments

3 prefixes (00:00:A8, 00:04:FC, 00:E0:09) → Stratus Technologies, registered 5 Mill and Main Place, Suite 500, Maynard, MA 01754, US [Confirmed] — the IEEE MA-L registry (rows: MA-L 0000A8, MA-L 0004FC, MA-L 00E009)

Registry / block size

MA-L (24-bit OUI) x3; no MA-M or MA-S assignments found for this registrant [Confirmed] — the IEEE MA-L registry

HQ / country

5 Mill and Main Place, Suite 500, Maynard, MA 01754, US (registry address) [Confirmed] — the IEEE MA-L registry

Company status

active, as a Penguin Solutions brand (formerly Smart Global Holdings, renamed 2024) [Confirmed] — penguinsolutions.com, en.wikipedia.org/wiki/Stratus_Technologies

Device types

ftServer fault-tolerant/high-availability servers (current models 2920, 4920, 6910, 6920); historically VOS-based Continuum systems [Confirmed] — penguinsolutions.com, stratus.com

Notable products

ftServer line [Confirmed] — penguinsolutions.com

Verified sample prefixes (all MA-L, Stratus Technologies)

00:00:A8, 00:04:FC, 00:E0:09 [Confirmed] — the IEEE MA-L registry

Registration dates

Unknown — IEEE's the IEEE MA-L registry publishes no assignment/registration date column [Unknown] — standards-oui.ieee.org/oui/

Corporate history

Founded 1980 as Stratus Computer (Natick, MA); acquired by Ascend Communications 1998; enterprise division spun off via Investcorp-funded buyout 1999; acquired Marathon Technologies 2012; acquired by Siris Capital Group 2014; purchased by Smart Global Holdings for $225M 2022; parent renamed Penguin Solutions, Inc. 2024

[Confirmed] — en.wikipedia.org/wiki/Stratus_Technologies

Security note

Ransomware attack March 17, 2021 took the ActiveService Network and Stratus Service Portal offline as containment; no product-level CVEs found for ftServer/VOS in this pass, reported as unknown/none-found rather than confirmed clean [Confirmed for incident; Unknown for CVEs] — bleepingcomputer.com

Related vendors

none verified in this pass [Unknown]

Analyst note

A MAC starting with 00:00:A8, 00:04:FC, or 00:E0:09 identifies Stratus Technologies hardware directly — three distinct, non-shared MA-L blocks, not a shared-base inference. Given the vendor's fault-tolerant server focus and a confirmed 2021 ransomware incident on its remote-support channel, such devices commonly sit in mission-critical infrastructure roles and warrant the same operational scrutiny as any high-availability production server.

[Likely — synthesis] — bleepingcomputer.com, penguinsolutions.com