20:87:56 SIEMENS AG
Every MAC address from 20:87:56:00:00:00 to 20:87:56: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 20:87:56 belongs to
Written 20:87:56, 20-87-56 or 208756, depending on the system. Look up a full address.
Prefix
20:87:56
Organization
SIEMENS AG
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
20:87:56:00:00:00
Last address
20:87:56:FF:FF:FF
Address type
Globally unique, unicast
Registered address
Oestliche Rheinbrueckenstrasse 50 Karlsruhe Baden-Württemberg DE 76187