Fiberhome Telecommunication Technologies Co.,LTD
MAC address prefix 74:C9:A3 is registered to Fiberhome Telecommunication Technologies Co.,LTD in the IEEE OUI registry. Any device whose MAC address begins with 74:C9:A3 has a network interface built by Fiberhome Telecommunication Technologies Co.,LTD. This prefix (the OUI, or Organizationally Unique Identifier) is assigned by the IEEE and is the first three octets of the address — it covers every MAC from 74:C9:A3:00:00:00 to 74:C9:A3:FF:FF:FF.
- OUI prefix
- 74:C9:A3
- Hyphen form
- 74-C9-A3
- MAC range
- 74:C9:A3:00:00:00 – 74:C9:A3:FF:FF:FF
- Addresses in block
- 16,777,216
- Organization
- Fiberhome Telecommunication Technologies Co.,LTD
- Address
- No.5 DongXin Road Wuhan Hubei CN 430074
- Source
- IEEE OUI registry
Have a full MAC address? Look it up— we'll also tell you if it's a randomized (private) address rather than a real manufacturer prefix.
Other prefixes from Fiberhome Telecommunication Technologies Co.,LTD
Fiberhome Telecommunication Technologies Co.,LTD holds 218 OUI prefixes in total. A device with this exact prefix could just as well carry any of these:
Assignment history (2)
The IEEE registry publishes current state only — this is the change record we've kept since we started tracking it daily.
- 2017-09-08Assigned to "Fiberhome Telecommunication Technologies Co.,LTD"archived source →
- 2026-07-17Assigned to "Fiberhome Telecommunication Technologies Co.,LTD"
Nearby in the registry
The prefixes assigned immediately before and after 74:C9:A3:
- AzureWave Technology Inc.74:C6:3B
- AGOS Co.,Ltd74:C6:4A
- RTK-TECHNOLOGIES, LLC74:C7:6E
- Microchip Technologies Inc74:C9:0F
- Zhejiang Dahua Technology Co., Ltd.74:C9:29
- Ericsson AB74:C9:9A
- Calxeda, Inc.74:CA:25
- Sonos, Inc.74:CA:60
- Lava international limited74:CB:F3
- Fiberhome Telecommunication Technologies Co.,LTD74:CC:39
- Apple, Inc.74:CC:40
- Smith Myers Communications Ltd.74:CD:0C
FAQ
- Which company owns MAC address prefix 74:C9:A3?
- MAC address prefix 74:C9:A3 is registered to Fiberhome Telecommunication Technologies Co.,LTD in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with 74:C9:A3 has a network interface built by Fiberhome Telecommunication Technologies Co.,LTD.
- What is the OUI 74:C9:A3?
- 74:C9:A3 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Fiberhome Telecommunication Technologies Co.,LTD. It covers every address from 74:C9:A3:00:00:00 to 74:C9:A3:FF:FF:FF, or 16,777,216 addresses in total. It is also written 74-C9-A3.
- How do I find the manufacturer of a MAC address?
- Take the first three octets of the address — in 74:C9:A3:00:00:00 that is 74:C9:A3 — and look that prefix up in the IEEE OUI registry. If the second-lowest bit of the first octet is set, the address is locally administered (a randomized or private MAC), which belongs to no manufacturer and will not resolve; modern phones and laptops use these by default on each network.
- Where is Fiberhome Telecommunication Technologies Co.,LTD located?
- Fiberhome Telecommunication Technologies Co.,LTD is listed at No.5 DongXin Road Wuhan Hubei CN 430074 in the IEEE OUI registry entry for 74:C9:A3. This is the address the organization registered with the IEEE, which may differ from its current operating address.
- How many MAC prefixes does Fiberhome Telecommunication Technologies Co.,LTD own?
- Fiberhome Telecommunication Technologies Co.,LTD holds 218 OUI prefixes in the IEEE registry, of which 74:C9:A3 is one. A device made by Fiberhome Telecommunication Technologies Co.,LTD could carry a MAC address from any of them.