Vendor directory
51 blocks registered in Portugal.
Every MA-L, MA-M, MA-S, IAB, and CID block IEEE has ever assigned to a named organization, browsable or searchable.
Unique organizations44
Total blocks51
MA-L count29
MA-M count6
MA-S count9
IAB count7
Total address capacity492,896,256
Last changed hereAug 22, 2026
Country reflects the address published in the IEEE registration record. It does not indicate where a device was manufactured, sold, located or currently used.
Largest organizations in Portugal
Organization
Prefix
Type
🇵🇹 A Beltrónica-Companhia de Comunicações, Lda
00:15:34:00:00:00 /24
MA-L
🇵🇹 Altice Labs
1C:57:3E:00:00:00 /24
MA-L
🇵🇹 Altice Labs
50:67:E0:00:00:00 /24
MA-L
🇵🇹 Altice Labs
58:FC:20:00:00:00 /24
MA-L
🇵🇹 Altice Labs
68:AA:C4:00:00:00 /24
MA-L
🇵🇹 Altice Labs
C8:70:23:00:00:00 /24
MA-L
🇵🇹 Atik Cameras Unipessoal, Lda
8C:1F:64:FD:D0:00 /36
MA-S
🇵🇹 B2cloud lda
70:B3:D5:29:E0:00 /36
MA-S
🇵🇹 Biodevices, SA
00:23:FE:00:00:00 /24
MA-L
🇵🇹 Bosch Security Systems
50:FA:CB:90:00:00 /28
MA-M
🇵🇹 CAPTEMP, Lda
70:B3:D5:49:E0:00 /36
MA-S
🇵🇹 Cleanwatts Digital, S.A.
8C:1F:64:0E:60:00 /36
MA-S
🇵🇹 Critical Software SA
8C:1F:64:D5:20:00 /36
MA-S
🇵🇹 Digicontrole Lda
00:50:C2:30:F0:00 /36
IAB
🇵🇹 DISPLAX S.A.
8C:1F:64:CE:E0:00 /36
MA-S
🇵🇹 EDP Servicos
68:8A:B5:00:00:00 /24
MA-L
🇵🇹 EID
1C:7C:11:00:00:00 /24
MA-L
🇵🇹 EID
00:50:C2:76:70:00 /36
IAB
🇵🇹 ENGISAT LDA
84:8B:CD:D0:00:00 /28
MA-M
🇵🇹 ENT-EMPRESA NACIONAL DE TELECOMMUNICACOES, S.A.
00:90:CD:00:00:00 /24
MA-L
🇵🇹 GLINTT TES S.A.
30:3D:08:00:00:00 /24
MA-L
🇵🇹 Global Fire Equipment S.A.
88:96:B6:00:00:00 /24
MA-L
🇵🇹 ISA - Intelligent Sensing Anywhere, S.A.
00:50:C2:9B:90:00 /36
IAB
🇵🇹 Janz - Contadores de Energia, SA
F0:00:7F:00:00:00 /24
MA-L
🇵🇹 Janz - Contagem e Gestão de Fluídos S.A.
D8:2D:40:00:00:00 /24
MA-L
🇵🇹 Keenfinity S.A.
7C:E4:A1:70:00:00 /28
MA-M
🇵🇹 Marques,S.A.
70:B3:D5:64:30:00 /36
MA-S
🇵🇹 Micro I/O Servicos de Electronica, Lda
00:50:C2:C6:50:00 /36
IAB
🇵🇹 Milénio 3 Sistemas Electrónicos, Lda.
00:0E:93:00:00:00 /24
MA-L
🇵🇹 MOBITITECABSOLUT S.A.
B0:D4:1F:00:00:00 /24
MA-L
🇵🇹 NIBBLE
40:11:75:E0:00:00 /28
MA-M
🇵🇹 Novabase SGPS, SA
00:07:0B:00:00:00 /24
MA-L
🇵🇹 Octalix B.V.
00:11:B7:00:00:00 /24
MA-L
🇵🇹 Open Grow
70:B3:D5:69:60:00 /36
MA-S
🇵🇹 PICadvanced SA
70:5A:6F:D0:00:00 /28
MA-M
🇵🇹 PT Inovacao
00:06:91:00:00:00 /24
MA-L
🇵🇹 PT Inovação e Sistemas SA
CC:19:A8:00:00:00 /24
MA-L
🇵🇹 RB-LINK Wireless
40:D8:55:1A:60:00 /36
IAB
🇵🇹 Sense For Innovation
70:B3:D5:1E:A0:00 /36
MA-S
🇵🇹 Sinepower Lda
5C:FA:5A:00:00:00 /24
MA-L
🇵🇹 SISMODULAR - Engenharia, Lda
00:50:C2:9E:A0:00 /36
IAB
🇵🇹 SMD INFORMATICA S.A.
00:40:48:00:00:00 /24
MA-L
🇵🇹 Tech4home, Lda
30:D9:7F:00:00:00 /24
MA-L
🇵🇹 Tech4home, Lda
80:F1:F1:00:00:00 /24
MA-L
🇵🇹 Tech4home, Lda
9C:7D:C0:00:00:00 /24
MA-L
🇵🇹 Thought Creator
5C:07:6F:00:00:00 /24
MA-L
🇵🇹 UAVISION Engenharia de Sistemas
00:50:C2:8A:20:00 /36
IAB
🇵🇹 Universal Electronics BV
20:21:41:00:00:00 /24
MA-L
🇵🇹 Visteon Portuguesa, Ltd
D0:B2:70:00:00:00 /24
MA-L
🇵🇹 WISEWARE, Lda
54:FB:58:00:00:00 /24
MA-L
🇵🇹 withus
F8:8A:3C:90:00:00 /28
MA-M
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