OUI Lookup
00186e
3Com Ltd
Manufacturer Information
- OUI Prefix
- 00186e
- Manufacturer
- 3Com Ltd
- Address
- Peoplebuilding 2 Hemel Hempstead Herts GB HP2 4NW
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 11
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 00186E
The OUI prefix 00186E is assigned to 3Com Ltd, based in Peoplebuilding 2 Hemel Hempstead Herts GB HP2 4NW . 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 3Com Ltd.