00:1B:C5:0B:C kuwatec, Inc.
Every MAC address from 00:1B:C5:0B:C0:00 to 00:1B:C5:0B:CF:FF belongs to a block the IEEE assigned to kuwatec, Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:1B:C5:0B:C belongs to
Written 00:1B:C5:0B:C, 00-1B-C5-0B-C or 001BC50BC, depending on the system. Look up a full address.
Prefix
00:1B:C5:0B:C/36
Organization
kuwatec, Inc.
Registry
MA-S (36 bits)
Addresses
4,096
First address
00:1B:C5:0B:C0:00
Last address
00:1B:C5:0B:CF:FF
Address type
Globally unique, unicast
Registered address
2-39-5 Umesato Suginami-ku Tokyo JP 166-0011
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.