802automation Limited — 00:1B:E5 (MA-L)

A MAC address beginning with 00:1B:E5 belongs to 802automation Limited, a small UK manufacturer of networked industrial process controllers, and is typically seen on its NC300 series of Power-over-Ethernet control units rather than on general-purpose computing or networking gear.

802automation Limited is a real, currently active UK private limited company (Companies House no. 05663342), incorporated 28 December 2005 and registered at 18 First Avenue, Worthing, West Sussex, BN14 9NJ — the same address IEEE lists for the 00:1B:E5 assignment. Its SIC codes cover industrial process-control equipment and embedded software development.

The company's own site describes the NC300 line: NC300-Custom Panel, NC300-DIN, NC300-Modbus Bridge, and NC300-Power Management over IP. These units share Power-over-Ethernet, an embedded web server, embedded SCADA, a Modbus TCP/IP server, and autotune PID control, aimed at oven/process temperature control, humidity management, lighting automation, and power monitoring.

IEEE records a single MA-L block (00:1B:E5) for this registrant, with no second OUI, IAB, or CID found under the 802automation name. The vendor's own copyright notices top out at 2013, suggesting the product line has not been updated in roughly a decade even though the company itself remains Active. No CVE, advisory, or field sighting tying the 00:1B:E5 prefix specifically to deployed NC300 units was found as of an August 2026 search.

Vendor

802automation Limited [Confirmed] — the IEEE MA-L registry 001BE5

Device class

Networked industrial process controllers (PoE, embedded SCADA/Modbus TCP/IP)

Notable product line

NC300 series (Custom Panel, DIN, Modbus Bridge, Power Management over IP)

OUI footprint

Single MA-L block (00:1B:E5); no second OUI, IAB, or CID found

Also seen on

No independent field sighting of 00:1B:E5 found beyond the vendor's own product line (http://www.802automation.com/)

IEEE assignment

00:1B:E5 → 802automation Limited, registered 18 First Avenue, Worthing, West Sussex, GB BN14 9NJ [Confirmed] — the IEEE MA-L registry 001BE5

Registry / block size

MA-L (24-bit OUI); single assignment found for this registrant, no MA-M or MA-S blocks under the same name [Confirmed] — the IEEE MA-L registry 001BE5; the Wireshark manufacturer database 00:1B:E5. NOTE: IEEE's public OUI data publishes no assignment/registration date; any "date registered" on third-party lookup tools is a database artifact, not an IEEE fact.

HQ / country

18 First Avenue, Worthing, West Sussex, GB BN14 9NJ (registry address) [Confirmed] — the IEEE MA-L registry 001BE5

Company status

Active, Companies House (England & Wales) no. 05663342, incorporated 2005-12-28; SIC codes 26512, 62012, 63110, 72190 [Confirmed] — https://find-and-update.company-information.service.gov.uk/company/05663342

Device types / notable products

NC300 series networked industrial controllers — NC300-Custom Panel, NC300-DIN, NC300-Modbus Bridge, NC300-Power Management over IP; shared PoE, embedded web server, embedded SCADA, Modbus TCP/IP server, autotune PID control

[Confirmed] — http://www.802automation.com/, https://www.802automation.com/ws/product

Verified prefix

00:1B:E5 (only assignment found under this registrant) [Confirmed] — the IEEE MA-L registry 001BE5

Site currency

vendor site's own copyright notices top out at 2013 ("Copyright 2005-2013 by 802automation Limited"), suggesting product content has not been updated in roughly a decade even though the company remains Active at Companies House [Likely] — https://www.802automation.com/ws/copyright

Security context

no CVE, advisory, or documented incident tied to 802automation or NC300 found as of an August 2026 search; no independent field sighting of the 00:1B:E5 prefix on deployed devices found either [Unknown] — no citable source for a negative search result

Related vendors

none found under the 802automation name [Unknown]

Analyst note

00:1B:E5 is a single dedicated OUI, not part of a shared IEEE-RA base, so a MAC beginning with it reliably points to 802automation Limited hardware — most likely the NC300 controller line — though no independent field sighting confirms actual deployed use of this exact prefix.