00:1B:C5:00:0 Converging Systems Inc.
Every MAC address from 00:1B:C5:00:00:00 to 00:1B:C5:00:0F:FF belongs to a block the IEEE assigned to Converging Systems Inc.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 00:1B:C5:00:0 belongs to
Written 00:1B:C5:00:0, 00-1B-C5-00-0 or 001BC5000, depending on the system. Look up a full address.
Prefix
00:1B:C5:00:0/36
Organization
Converging Systems Inc.
Registry
MA-S (36 bits)
Addresses
4,096
First address
00:1B:C5:00:00:00
Last address
00:1B:C5:00:0F:FF
Address type
Globally unique, unicast
Registered address
32420 Nautilus Drive Rancho Palos Verdes CA US 90275
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 Converging Systems Inc.
2 more blocks registered under the same name.