OUI Lookup
c4efda
Honeywell
Manufacturer Information
- OUI Prefix
- c4efda
- Manufacturer
- Honeywell
- Address
- 9680 Old Bailes Rd, Fort Mill, SC 29707 Fort Mill SC US 29707
- Last updated
- 6/9/2026
Vendor Statistics
- Total prefixes
- 4
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix C4EFDA
The OUI prefix C4EFDA is assigned to Honeywell, based in 9680 Old Bailes Rd, Fort Mill, SC 29707 Fort Mill SC US 29707 . 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 Honeywell.
Other prefixes from Honeywell
00203dHoneywell Environmental & Combustion Controls004084Honeywell144146Honeywell (China) Co., LTD001f55Honeywell Security (China) Co., Ltd.009030HONEYWELL-DATING58fcc8Honeywell0c2369Honeywell SPSdcb3b4Honeywell Environmental & Combustion Controls (Tianjin) Co., Ltd.00226aHoneywell0030afHoneywell GmbHf05494Honeywell Connected Buildingd806d1Honeywell Fire System (Shanghai) Co,. Ltd.0023b6SECURITE COMMUNICATIONS / HONEYWELL001112Honeywell CMSS002004YAMATAKE-HONEYWELL CO., LTD.ac7713Honeywell Safety Products (Shanghai) Co.,Ltd001e1eHoneywell Life Safety000a13Honeywell Video Systems00064aHoneywell Co., Ltd. (KOREA)0080a7Honeywell International Inc94ca0fHoneywell Analytics