OUI Lookup
00042b
IT Access Co., Ltd.
Manufacturer Information
- OUI Prefix
- 00042b
- Manufacturer
- IT Access Co., Ltd.
- Address
- 3-17-6, Shinyokohama, Kouhoku-ku Yokohama-shi Kanagawa JP 222-8545
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 00042B
The OUI prefix 00042B is assigned to IT Access Co., Ltd., based in 3-17-6, Shinyokohama, Kouhoku-ku Yokohama-shi Kanagawa JP 222-8545 . 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 IT Access Co., Ltd..