OUI Lookup
0004b7
AMB i.t. Holding
Manufacturer Information
- OUI Prefix
- 0004b7
- Manufacturer
- AMB i.t. Holding
- Address
- Zuiderhoutlaan 4 PJ Haarlem NL 2012
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 0004B7
The OUI prefix 0004B7 is assigned to AMB i.t. Holding, based in Zuiderhoutlaan 4 PJ Haarlem NL 2012 . 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 AMB i.t. Holding.