Barnes & Noble — 2 prefixes (MA-L)

A MAC address starting with 58:67:1A or 64:C6:67 belongs to Barnes & Noble, and in practice these prefixes are seen on NOOK e-reader and tablet Wi-Fi interfaces rather than on any other Barnes & Noble equipment.

Both prefixes are IEEE MA-L (24-bit) assignments registered to the same organization name, "Barnes&Noble," at the same Palo Alto, California address. A shared organization and address across two separate blocks is a stronger substance signal than a single isolated OUI registration, and third-party lookup aggregators corroborate the same attribution for both.

Device-level corroboration exists for 58:67:1A: a consumer support thread cites a real NOOK Wi-Fi MAC address, 58:67:1a:5e:17:21. No comparable observed-device reference was found for 64:C6:67 in an August 2026 search; its attribution rests on aggregator listings that agree with the IEEE registry entry but were not traced to a specific device.

The Palo Alto registration address stands out because Barnes & Noble's retail headquarters is in New York City. Independent reporting confirms Barnes & Noble consolidated NOOK hardware and software engineering into a large Stanford Research Park office in Palo Alto during the period these devices shipped, which plausibly explains a Silicon Valley OUI address for a New York-headquartered bookseller — though the registry's exact street address was not independently matched to that office.

No vulnerability or malware association tied specifically to either OUI or MAC prefix was found as of an August 2026 search. NOOK Android tablets were affected by general Android-OS connectivity issues, including TLS-version deprecation that broke device connectivity, but that is an OS/software-level issue unrelated to the MAC-address prefix or Wi-Fi chip registration.

Vendor

Barnes&Noble (IEEE registry name); parent company Barnes & Noble, Inc.

Registry class

MA-L (24-bit OUI), 2 assignments under this vendor

Also seen on

consumer-reported NOOK Wi-Fi MAC 58:67:1a:5e:17:21 (justanswer.com support thread)

Known issues

none found tied to the prefix itself; general Android OS-level TLS-deprecation connectivity issue affected NOOK tablets separately

IEEE assignment

2 prefixes → Barnes&Noble, registered Palo Alto, CA, US [Confirmed] — the IEEE MA-L registry 58671A, the IEEE MA-L registry 64C667

Registry / block size

MA-L (24-bit OUI); 2 assignments, same organization name and address [Confirmed] — the IEEE MA-L registry 58671A, the IEEE MA-L registry 64C667

HQ / country

registry address 400 Hamilton Avenue, Palo Alto, CA 94301, US; Barnes & Noble's corporate/retail HQ is New York, NY [Confirmed registry address; Likely explanation] — the IEEE MA-L registry 58671A; https://www.dice.com/career-advice/bn-palo-alto

Company status

active — Barnes & Noble, Inc. remains an operating bookseller [Confirmed] — https://en.wikipedia.org/wiki/Barnes_%26_Noble_Nook

Device types

NOOK e-reader/tablet Wi-Fi interfaces [Confirmed for 58:67:1A via observed device; Likely for 64:C6:67 via aggregator only] — https://www.justanswer.com/e-readers/73hnn-nooks-wifi-mac-address-58-67-1a-5e-17-21-needing.html

Verified sample prefixes

58:67:1A, 64:C6:67 (both MA-L, Barnes&Noble, same address) [Confirmed] — the IEEE MA-L registry 58671A, the IEEE MA-L registry 64C667

Third-party corroboration

multiple aggregators attribute both prefixes to Barnes & Noble at the same address [Likely] — https://www.macvendorlookup.com/search/58:67:1A:00:00:00, https://www.cleancss.com/mac-lookup/64-C6-67, https://hwaddress.com/oui-iab/58-67-1A/, https://udger.com/resources/mac-address-vendor-detail?name=barnesnoble

Registration date

Unknown — IEEE's public OUI data publishes no assignment/registration date; any "date registered" on third-party lookup sites is a database artifact, not an IEEE fact [Unknown] — the IEEE MA-L registry

Security/malware association

no CVE or malware finding tied to the OUI/MAC prefix itself as of an August 2026 search; NOOK tablets separately hit a TLS-deprecation connectivity issue at the OS level [Confirmed negative for the prefix; Likely for OS-level context] — https://goodereader.com/blog/electronic-readers/nook-e-readers-are-not-going-to-work-anymore-unless-you-do-this, https://ebookevangelist.com/2016/12/22/b-and-n-says-they-already-fixed-the-nook-malware-issue-but/

Related vendors

none identified as a separate registrant; NOOK is a Barnes & Noble product line, not a distinct OUI holder [Confirmed] — the IEEE MA-L registry

Analyst note

a Barnes & Noble OUI on a network most plausibly indicates a NOOK e-reader or tablet; device-level corroboration is solid for 58:67:1A but 64:C6:67 rests on aggregator listings only, so treat that one prefix's device-class attribution as Likely rather than Confirmed. [Likely] — https://www.justanswer.com/e-readers/73hnn-nooks-wifi-mac-address-58-67-1a-5e-17-21-needing.html, https://www.cleancss.com/mac-lookup/64-C6-67