OUI Lookup
18421d
Private
Manufacturer Information
- OUI Prefix
- 18421d
- Manufacturer
- Private
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 108
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 18421D
The OUI prefix 18421D is assigned to Private. 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 Private.
Other prefixes from Private
e4f14cPrivatea8881fSERVERCOM (INDIA) PRIVATE LIMITED005079Private00cb00Private1100aaPrivate9c93e4Privatea41752Hifocus Electronics India Private Limited000dc2Privatec8aaccPrivate7c1e4aFORTUNE MARKETING PRIVATE LIMITED00234aPrivate48a964APEXSHA SMARTTECH PRIVATE LIMITED20d160Private281daaASTI India Private Limited24336cPrivate78bb5cNokia Solutions and Networks India Private Limited205b2aPrivate8c8401Private586ed6Private000df2Private00082dIndus Teqsite Private Limited000101Private00221cPrivate0004e6Banyan Network Private Limited