Which company owns MAC address prefix 04:38:55?

MAC address prefix 04:38:55 is registered to Scopus International Pvt. Ltd. in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with 04:38:55 has a network interface built by Scopus International Pvt. Ltd..

What is the OUI 04:38:55?

04:38:55 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Scopus International Pvt. Ltd.. It covers every address from 04:38:55:00:00:00 to 04:38:55:FF:FF:FF, or 16,777,216 addresses in total. It is also written 04-38-55.

How do I find the manufacturer of a MAC address?

Take the first three octets of the address — in 04:38:55:00:00:00 that is 04:38:55 — 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 Scopus International Pvt. Ltd. located?

Scopus International Pvt. Ltd. is listed at A-46, Ground floor, Pandav Nagar, Ganesh ngr complex, New Delhi Delhi IN 110092 in the IEEE OUI registry entry for 04:38:55. This is the address the organization registered with the IEEE, which may differ from its current operating address.

Scopus International Pvt. Ltd.

MAC address prefix 04:38:55 is registered to Scopus International Pvt. Ltd. in the IEEE OUI registry. Any device whose MAC address begins with 04:38:55 has a network interface built by Scopus International Pvt. 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 04:38:55:00:00:00 to 04:38:55:FF:FF:FF.

OUI prefix: 04:38:55
Hyphen form: 04-38-55
MAC range: 04:38:55:00:00:00 – 04:38:55:FF:FF:FF
Addresses in block: 16,777,216
Organization: Scopus International Pvt. Ltd.
Address: A-46, Ground floor, Pandav Nagar, Ganesh ngr complex, New Delhi Delhi IN 110092
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 (3)

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

2022-07-11Assigned to "SCOPUS INTERNATIONAL-BELGIUM"
archived source →
2023-07-11Renamed from "SCOPUS INTERNATIONAL-BELGIUM" to "Scopus International Pvt. Ltd."
archived source →
2026-07-17Assigned to "Scopus International Pvt. Ltd."

Nearby in the registry

The prefixes assigned immediately before and after 04:38:55:

FAQ

Which company owns MAC address prefix 04:38:55?: MAC address prefix 04:38:55 is registered to Scopus International Pvt. Ltd. in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with 04:38:55 has a network interface built by Scopus International Pvt. Ltd..
What is the OUI 04:38:55?: 04:38:55 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Scopus International Pvt. Ltd.. It covers every address from 04:38:55:00:00:00 to 04:38:55:FF:FF:FF, or 16,777,216 addresses in total. It is also written 04-38-55.
How do I find the manufacturer of a MAC address?: Take the first three octets of the address — in 04:38:55:00:00:00 that is 04:38:55 — 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 Scopus International Pvt. Ltd. located?: Scopus International Pvt. Ltd. is listed at A-46, Ground floor, Pandav Nagar, Ganesh ngr complex, New Delhi Delhi IN 110092 in the IEEE OUI registry entry for 04:38:55. This is the address the organization registered with the IEEE, which may differ from its current operating address.