GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP.,LTD
MAC address prefix E8:68:B1 is registered to GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP.,LTD in the IEEE OUI registry. Any device whose MAC address begins with E8:68:B1 has a network interface built by GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP.,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 E8:68:B1:00:00:00 to E8:68:B1:FF:FF:FF.
- OUI prefix
- E8:68:B1
- Hyphen form
- E8-68-B1
- MAC range
- E8:68:B1:00:00:00 – E8:68:B1:FF:FF:FF
- Addresses in block
- 16,777,216
- Organization
- GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP.,LTD
- Address
- NO.18 HAIBIN ROAD, DONG GUAN GUANG DONG CN 523860
- 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 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP.,LTD
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP.,LTD holds 188 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.
- 2026-06-20Assigned to "GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP.,LTD"archived source →
- 2026-07-17Assigned to "GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP.,LTD"
Nearby in the registry
The prefixes assigned immediately before and after E8:68:B1:
- CLOUD NETWORK TECHNOLOGY SINGAPORE PTE. LTD.E8:65:38
- Cisco Systems, IncE8:65:49
- Dell Inc.E8:65:5F
- Tenda Technology Co.,Ltd.Dongguan branchE8:65:D4
- DiamantiE8:66:C4
- HUAWEI TECHNOLOGIES CO.,LTDE8:68:19
- Espressif Inc.E8:68:E7
- LCFC(Hefei) Electronics Technology co., ltdE8:6A:64
- Espressif Inc.E8:6B:EA
- IEEE Registration AuthorityE8:6C:C7
- Supercomputers and Neurocomputers Research CenterE8:6C:DA
- Elmec Elettronica SRLE8:6D:16
FAQ
- Which company owns MAC address prefix E8:68:B1?
- MAC address prefix E8:68:B1 is registered to GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP.,LTD in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with E8:68:B1 has a network interface built by GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP.,LTD.
- What is the OUI E8:68:B1?
- E8:68:B1 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP.,LTD. It covers every address from E8:68:B1:00:00:00 to E8:68:B1:FF:FF:FF, or 16,777,216 addresses in total. It is also written E8-68-B1.
- How do I find the manufacturer of a MAC address?
- Take the first three octets of the address — in E8:68:B1:00:00:00 that is E8:68:B1 — 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 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP.,LTD located?
- GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP.,LTD is listed at NO.18 HAIBIN ROAD, DONG GUAN GUANG DONG CN 523860 in the IEEE OUI registry entry for E8:68:B1. This is the address the organization registered with the IEEE, which may differ from its current operating address.
- How many MAC prefixes does GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP.,LTD own?
- GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP.,LTD holds 188 OUI prefixes in the IEEE registry, of which E8:68:B1 is one. A device made by GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP.,LTD could carry a MAC address from any of them.