00:1B:1B Siemens AG,
Every MAC address from 00:1B:1B:00:00:00 to 00:1B:1B:FF:FF:FF belongs to a block the IEEE assigned to Siemens AG,. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:1B:1B belongs to
Written 00:1B:1B, 00-1B-1B or 001B1B, depending on the system. Look up a full address.
Prefix
00:1B:1B
Organization
Siemens AG,
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
00:1B:1B:00:00:00
Last address
00:1B:1B:FF:FF:FF
Address type
Globally unique, unicast
Registered address
I IA SC MF-K PE 3 76187 Karlsruhe Baden Wuerttemberg DE