00:12:9B E2S Electronic Engineering Solutions, S.L.
Every MAC address from 00:12:9B:00:00:00 to 00:12:9B:FF:FF:FF belongs to a block the IEEE assigned to E2S Electronic Engineering Solutions, S.L.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:12:9B belongs to
Written 00:12:9B, 00-12-9B or 00129B, depending on the system. Look up a full address.
Prefix
00:12:9B
Organization
E2S Electronic Engineering Solutions, S.L.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:12:9B:00:00:00
Last address
00:12:9B:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Sant Ferran 10 Barcelona ES 08031