OUI Lookup
00c07b
ASCEND COMMUNICATIONS, INC.
Manufacturer Information
- OUI Prefix
- 00c07b
- Manufacturer
- ASCEND COMMUNICATIONS, INC.
- Address
- 1701 HARBOR BAY PARKWAY ALAMEDA CA US 94502
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 2
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 00C07B
The OUI prefix 00C07B is assigned to ASCEND COMMUNICATIONS, INC., based in 1701 HARBOR BAY PARKWAY ALAMEDA CA US 94502 . It is a MA-L type block of 24 bits (first three octets). Allows up to 16 million unique MAC addresses. If you find this prefix on your network, the devices belong to ASCEND COMMUNICATIONS, INC..