00:1B:C5:08:6 CAST Group of Companies Inc.
Every MAC address from 00:1B:C5:08:60:00 to 00:1B:C5:08:6F:FF belongs to a block the IEEE assigned to CAST Group of Companies Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:1B:C5:08:6 belongs to
Written 00:1B:C5:08:6, 00-1B-C5-08-6 or 001BC5086, depending on the system. Look up a full address.
Prefix
00:1B:C5:08:6/36
Organization
CAST Group of Companies Inc.
Registry
MA-S (36 bits)
Addresses
4,096
First address
00:1B:C5:08:60:00
Last address
00:1B:C5:08:6F:FF
Address type
Globally unique, unicast
Registered address
35 Ripley Ave. Toronto Ontario CA M6S3P2
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.
Same organization
Other blocks assigned to CAST Group of Companies Inc.
1 more block registered under the same name.