00:1B:C5:09:7 Plexstar Inc.
Every MAC address from 00:1B:C5:09:70:00 to 00:1B:C5:09:7F:FF belongs to a block the IEEE assigned to Plexstar Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:1B:C5:09:7 belongs to
Written 00:1B:C5:09:7, 00-1B-C5-09-7 or 001BC5097, depending on the system. Look up a full address.
Prefix
00:1B:C5:09:7/36
Organization
Plexstar Inc.
Registry
MA-S (36 bits)
Addresses
4,096
First address
00:1B:C5:09:70:00
Last address
00:1B:C5:09:7F:FF
Address type
Globally unique, unicast
Registered address
209 S H 121 Bypass, STE 35 Lewisville TX US 75067
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.