VITEC

A MAC address starting with 4C:A0:03 or 00:18:1C belongs to VITEC, a French broadcast-AV vendor whose hardware typically shows up as IPTV set-top boxes and receivers, video encoders/decoders, and digital signage media players on corporate, hospitality, and government networks.

VITEC's IEEE registrations cover two MA-L /24 blocks (4C:A0:03 and 00:18:1C) plus nine MA-S /36 sub-blocks under the shared 70:B3:D5 IEEE RA base. The MA-L blocks register to VITEC's Chatillon, France headquarters and to a Dalgety Bay, Fife, UK office; the nine /36 sub-blocks are VITEC-specific allocations within that shared base and do not make VITEC an owner of the wider 70:B3:D5 pool, which IEEE sub-allocates to thousands of unrelated companies.

VITEC, founded in 1988 and headquartered near Paris, designs and sells video encoding, transcoding, and IP-streaming hardware and software. In April 2021 it acquired Exterity Limited, a Fife-based IPTV company, and rebranded Exterity's products under its own name in 2022, which explains the UK registration address. Its current product line includes the Avedia family of IPTV encoders, decoders, and digital-signage players.

One named CVE, CVE-2021-42109, describes an access-control weakness in VITEC/Exterity IPTV products that allowed privilege escalation; it was publicly exploited in an October 2021 incident in which attackers hijacked networked displays to play an unrelated video. Reported severity comes from secondary coverage rather than a direct NVD reading, so it is tagged accordingly below.

Two other IEEE registrants also contain the string "Vitec" but are unrelated companies: Vitec Group / Camera Dynamics Ltd (a UK camera-support division with a different corporate lineage) and Vitec System Engineering Inc. in Japan. Neither is part of this entry.

Device class

IPTV set-top boxes/receivers, video encoders/decoders, digital signage media players

Primary registration

Chatillon, France (the IEEE MA-L registry 4CA003)

Secondary registration

Dalgety Bay, Fife, United Kingdom (the IEEE MA-L registry 00181C)

Also seen on

Exterity-branded IPTV displays predating the 2022 VITEC rebrand (https://www.vitec.com/about/news/article/exterity-rebrands-as-vitec)

Company

VITEC [Confirmed] (the IEEE MA-L registry 4CA003; https://vitec.com/)

Registry assignments

4CA003 and 00181C (MA-L /24); nine MA-S /36 sub-blocks under the shared 70:B3:D5 base [Confirmed] (the IEEE MA-L registry 4CA003, 00181C; the IEEE MA-S registry 70B3D5D61, 70B3D55E8, 70B3D505E, 70B3D50CA, 70B3D522B, 70B3D5127, 70B3D5F17, 70B3D5CDA, 70B3D5DD3)

Primary address

99 rue Pierre Semard, Chatillon, France 92320 [Confirmed] (the IEEE MA-L registry 4CA003)

Secondary address

St Davids House, St Davids Drive, Dalgety Bay, Fife, GB KY11 9NB [Confirmed] (the IEEE MA-L registry 00181C)

Industry

Broadcast/AV video encoding, IPTV, and digital signage [Likely] (https://www.vitec.com/products/encoders-decoders)

Acquisition history

VITEC acquired Exterity Limited, a Fife-based IPTV company, in April 2021 and rebranded it as VITEC in 2022 [Confirmed] (https://dailybusinessgroup.co.uk/2021/04/vitec-acquires-fife-video-tech-firm-exterity/; https://www.vitec.com/about/news/article/exterity-rebrands-as-vitec)

Security

CVE-2021-42109, an access-control weakness in VITEC/Exterity IPTV products enabling privilege escalation, publicly exploited in an October 2021 incident [Likely] (https://threatpost.com/rickroll-exterity-iptv-bug/175491/; https://prophaze.com/vitec-exterity-iptv-up-to-2021-04-30-access-control-cve-2021-42109/)

Unrelated namesakes

Vitec Group/Camera Dynamics Ltd and Vitec System Engineering Inc. share the name but are distinct companies [Confirmed] (the IEEE MA-L registry A4ADB8, 8801F2)

Org status

Active as of a September 2026 check [Likely] (https://vitec.com/)