00:1B:C5:04:6 GÉANT
Every MAC address from 00:1B:C5:04:60:00 to 00:1B:C5:04:6F:FF belongs to a block the IEEE assigned to GÉANT. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:1B:C5:04:6 belongs to
Written 00:1B:C5:04:6, 00-1B-C5-04-6 or 001BC5046, depending on the system. Look up a full address.
Prefix
00:1B:C5:04:6/36
Organization
GÉANT
Registry
MA-S (36 bits)
Addresses
4,096
First address
00:1B:C5:04:60:00
Last address
00:1B:C5:04:6F:FF
Address type
Globally unique, unicast
Registered address
Singel 468D Amsterdam Noord-Holland NL 1017AW
Parent block
Inside 00:1B:C5
This MA-S block is carved from the 24-bit block 00:1B:C5, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.