Murata Manufacturing Co., Ltd.
MAC address prefix E8:E8:B7 is registered to Murata Manufacturing Co., Ltd. in the IEEE OUI registry. Any device whose MAC address begins with E8:E8:B7 has a network interface built by Murata Manufacturing 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 E8:E8:B7:00:00:00 to E8:E8:B7:FF:FF:FF.
- OUI prefix
- E8:E8:B7
- Hyphen form
- E8-E8-B7
- MAC range
- E8:E8:B7:00:00:00 – E8:E8:B7:FF:FF:FF
- Addresses in block
- 16,777,216
- Organization
- Murata Manufacturing Co., Ltd.
- Address
- 1-10-1, Higashikotari Nagaokakyo-shi Kyoto JP 617-8555
- 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 Murata Manufacturing Co., Ltd.
Murata Manufacturing Co., Ltd. holds 76 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.
- 2019-07-04Assigned to "Murata Manufacturing Co., Ltd."archived source →
- 2026-07-17Assigned to "Murata Manufacturing Co., Ltd."
Nearby in the registry
The prefixes assigned immediately before and after E8:E8:B7:
- Chongqing Zhouhai intelligent technology CO., LtdE8:E6:09
- Alcatel-Lucent EnterpriseE8:E7:32
- Warp9 Tech Design, Inc.E8:E7:70
- Shenzhen Kootion Technology Co., LtdE8:E7:76
- zte corporationE8:E7:C3
- iS5 Communications Inc.E8:E8:75
- SOLAR controls s.r.o.E8:E9:8E
- HUAWEI TECHNOLOGIES CO.,LTDE8:EA:34
- HUAWEI TECHNOLOGIES CO.,LTDE8:EA:4D
- StarTech.comE8:EA:6A
- Shenzhen Amazwear Holdings Co., LtdE8:EA:7C
- Denkovi Assembly Electronics LTDE8:EA:DA
FAQ
- Which company owns MAC address prefix E8:E8:B7?
- MAC address prefix E8:E8:B7 is registered to Murata Manufacturing Co., Ltd. in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with E8:E8:B7 has a network interface built by Murata Manufacturing Co., Ltd..
- What is the OUI E8:E8:B7?
- E8:E8:B7 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Murata Manufacturing Co., Ltd.. It covers every address from E8:E8:B7:00:00:00 to E8:E8:B7:FF:FF:FF, or 16,777,216 addresses in total. It is also written E8-E8-B7.
- How do I find the manufacturer of a MAC address?
- Take the first three octets of the address — in E8:E8:B7:00:00:00 that is E8:E8:B7 — 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 Murata Manufacturing Co., Ltd. located?
- Murata Manufacturing Co., Ltd. is listed at 1-10-1, Higashikotari Nagaokakyo-shi Kyoto JP 617-8555 in the IEEE OUI registry entry for E8:E8:B7. This is the address the organization registered with the IEEE, which may differ from its current operating address.
- How many MAC prefixes does Murata Manufacturing Co., Ltd. own?
- Murata Manufacturing Co., Ltd. holds 76 OUI prefixes in the IEEE registry, of which E8:E8:B7 is one. A device made by Murata Manufacturing Co., Ltd. could carry a MAC address from any of them.