OUI Lookup
00300b
mPHASE Technologies, Inc.
Manufacturer Information
- OUI Prefix
- 00300b
- Manufacturer
- mPHASE Technologies, Inc.
- Address
- 250 14th Street Atlanta GA US 30318
- Last updated
- 6/12/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 00300B
The OUI prefix 00300B is assigned to mPHASE Technologies, Inc., based in 250 14th Street Atlanta GA US 30318 . 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 mPHASE Technologies, Inc..