Quantum Corp. — 4 prefixes (MA-L)

A MAC address beginning with 00:0E:A4, 00:30:8C, 00:50:84, or 00:E0:9E belongs to Quantum Corp. (also filed as "Quantum Corporation"), the NASDAQ-listed enterprise data-storage vendor best known for Scalar tape libraries and DXi-series backup appliances.

Four separate IEEE OUI assignments across decades is a meaningful substance signal — it is not a bare single-block shell registration. The registered addresses on file differ by block (Milpitas, CA; Englewood, CO; Colorado Springs, CO), which is consistent with a long-lived company that has relocated and reorganized facilities over its history rather than a fly-by-night registrant.

Quantum's product line is enterprise tape and disk backup hardware: Scalar tape-library automation, DXi-series deduplication appliances, and StorNext/Xcellis file systems. A plausible device class behind these OUIs is tape-library controller or backup-appliance management interfaces, but no public Quantum documentation was found that pairs a specific model to a specific OUI block, so that attribution stays Likely rather than Confirmed.

The slug "vendor-quantum" does not match any vendor literally named just "Quantum" in the cached IEEE registries — those registries hold 30+ entries where "Quantum" is part of a longer organization name (Quantum Data Inc., Quantum Bridge Communications, etc.), but none is the bare word. The mapping to "Quantum Corp." here follows standard slug normalization (dropping the corporate suffix) and was cross-checked against the local IEEE OUI mirror plus corroborating third-party company data.

As with all OUI entries, IEEE publishes no registration date for these prefixes; any "date registered" from a third-party MAC-lookup tool is a database artifact, not an IEEE fact, and is not recorded here. No sourced link was found tying any of the four blocks to a disclosed security advisory or incident, so that field is correctly left Unknown rather than invented.

IEEE assignment

4 prefixes (00:0E:A4, 00:30:8C, 00:50:84, 00:E0:9E) → Quantum Corp. / Quantum Corporation [Confirmed] — the IEEE MA-L registry (local IEEE OUI mirror)

Registry / block size

OUI, classic 24-bit (MA-L class); 4 IEEE-assigned prefixes spanning multiple decades [Confirmed] — the IEEE MA-L registry

HQ / country

registered addresses vary by block (Milpitas, CA; Englewood, CO; Colorado Springs, CO); current corporate HQ San Jose, CA, US [Likely] — https://en.wikipedia.org/wiki/Quantum_Corporation

Company status

active, publicly traded, NASDAQ: QMCO, founded 1980 [Confirmed] — https://en.wikipedia.org/wiki/Quantum_Corporation

Device types

plausibly tape-library controllers, backup/deduplication appliance NICs — no confirmed OUI-to-model pairing found in Quantum's own documentation [Likely] — https://www.quantum.com/en/products/tape-storage/

Notable products

Scalar tape libraries, DXi-series backup/deduplication appliances, StorNext/Xcellis file systems, ActiveScale object storage [Confirmed] — https://www.quantum.com

Verified sample prefixes

00:0E:A4, 00:30:8C, 00:50:84, 00:E0:9E → Quantum Corp. [Confirmed] — the IEEE MA-L registry

Registration dates

not applicable — IEEE publishes no assignment/registration date for MAC OUI prefixes; any third-party "date registered" is a database artifact, not an IEEE fact [Confirmed] — the IEEE MA-L registry

Security context

no sourced link found tying any of these 4 blocks to a disclosed vulnerability, advisory, or abuse incident [Unknown] — (no source located)

Slug reconciliation

cached IEEE registries hold 30+ entries containing "Quantum" as a substring but none literally named "Quantum" alone; vendor-quantum maps to "Quantum Corp." via slug normalization [Confirmed] — the IEEE MA-L registry

Related vendors

none independently sourced

Analyst note

four OUI assignments plus a substantive, publicly traded parent company mean this entry clears the abstention bar for a consolidated vendor page rather than a bare single-OUI shell.