Which company owns MAC address prefix 94:D0:75?

MAC address prefix 94:D0:75 is registered to CIS Crypto in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with 94:D0:75 has a network interface built by CIS Crypto.

What is the OUI 94:D0:75?

94:D0:75 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to CIS Crypto. It covers every address from 94:D0:75:00:00:00 to 94:D0:75:FF:FF:FF, or 16,777,216 addresses in total. It is also written 94-D0-75.

How do I find the manufacturer of a MAC address?

Take the first three octets of the address — in 94:D0:75:00:00:00 that is 94:D0:75 — 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 CIS Crypto located?

CIS Crypto is listed at Nauchnyy proezd 6 Moscow RU 117246 in the IEEE OUI registry entry for 94:D0:75. This is the address the organization registered with the IEEE, which may differ from its current operating address.

CIS Crypto

MAC address prefix 94:D0:75 is registered to CIS Crypto in the IEEE OUI registry. Any device whose MAC address begins with 94:D0:75 has a network interface built by CIS Crypto. 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 94:D0:75:00:00:00 to 94:D0:75:FF:FF:FF.

OUI prefix: 94:D0:75
Hyphen form: 94-D0-75
MAC range: 94:D0:75:00:00:00 – 94:D0:75:FF:FF:FF
Addresses in block: 16,777,216
Organization: CIS Crypto
Address: Nauchnyy proezd 6 Moscow RU 117246
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.

2018-12-21Assigned to "CIS Crypto"
archived source →
2026-07-17Assigned to "CIS Crypto"

Nearby in the registry

The prefixes assigned immediately before and after 94:D0:75:

FAQ

Which company owns MAC address prefix 94:D0:75?: MAC address prefix 94:D0:75 is registered to CIS Crypto in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with 94:D0:75 has a network interface built by CIS Crypto.
What is the OUI 94:D0:75?: 94:D0:75 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to CIS Crypto. It covers every address from 94:D0:75:00:00:00 to 94:D0:75:FF:FF:FF, or 16,777,216 addresses in total. It is also written 94-D0-75.
How do I find the manufacturer of a MAC address?: Take the first three octets of the address — in 94:D0:75:00:00:00 that is 94:D0:75 — 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 CIS Crypto located?: CIS Crypto is listed at Nauchnyy proezd 6 Moscow RU 117246 in the IEEE OUI registry entry for 94:D0:75. This is the address the organization registered with the IEEE, which may differ from its current operating address.