Which company owns MAC address prefix C8:B4:AB?

MAC address prefix C8:B4:AB is registered to Inspur Computer Technology Co.,Ltd. in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with C8:B4:AB has a network interface built by Inspur Computer Technology Co.,Ltd..

What is the OUI C8:B4:AB?

C8:B4:AB is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Inspur Computer Technology Co.,Ltd.. It covers every address from C8:B4:AB:00:00:00 to C8:B4:AB:FF:FF:FF, or 16,777,216 addresses in total. It is also written C8-B4-AB.

How do I find the manufacturer of a MAC address?

Take the first three octets of the address — in C8:B4:AB:00:00:00 that is C8:B4:AB — 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 Inspur Computer Technology Co.,Ltd. located?

Inspur Computer Technology Co.,Ltd. is listed at No. 1036 Langchao Road, High-tech Zone, Jinan City, Shandong Province, China Jinan CN 250101 in the IEEE OUI registry entry for C8:B4:AB. This is the address the organization registered with the IEEE, which may differ from its current operating address.

Inspur Computer Technology Co.,Ltd.

MAC address prefix C8:B4:AB is registered to Inspur Computer Technology Co.,Ltd. in the IEEE OUI registry. Any device whose MAC address begins with C8:B4:AB has a network interface built by Inspur Computer Technology 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 C8:B4:AB:00:00:00 to C8:B4:AB:FF:FF:FF.

OUI prefix: C8:B4:AB
Hyphen form: C8-B4-AB
MAC range: C8:B4:AB:00:00:00 – C8:B4:AB:FF:FF:FF
Addresses in block: 16,777,216
Organization: Inspur Computer Technology Co.,Ltd.
Address: No. 1036 Langchao Road, High-tech Zone, Jinan City, Shandong Province, China Jinan CN 250101
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.

Assignment history (2)

The IEEE registry publishes current state only — this is the change record we've kept since we started tracking it daily.

2024-08-15Assigned to "Inspur Computer Technology Co.,Ltd."
archived source →
2026-07-17Assigned to "Inspur Computer Technology Co.,Ltd."

Nearby in the registry

The prefixes assigned immediately before and after C8:B4:AB:

FAQ

Which company owns MAC address prefix C8:B4:AB?: MAC address prefix C8:B4:AB is registered to Inspur Computer Technology Co.,Ltd. in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with C8:B4:AB has a network interface built by Inspur Computer Technology Co.,Ltd..
What is the OUI C8:B4:AB?: C8:B4:AB is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Inspur Computer Technology Co.,Ltd.. It covers every address from C8:B4:AB:00:00:00 to C8:B4:AB:FF:FF:FF, or 16,777,216 addresses in total. It is also written C8-B4-AB.
How do I find the manufacturer of a MAC address?: Take the first three octets of the address — in C8:B4:AB:00:00:00 that is C8:B4:AB — 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 Inspur Computer Technology Co.,Ltd. located?: Inspur Computer Technology Co.,Ltd. is listed at No. 1036 Langchao Road, High-tech Zone, Jinan City, Shandong Province, China Jinan CN 250101 in the IEEE OUI registry entry for C8:B4:AB. This is the address the organization registered with the IEEE, which may differ from its current operating address.