Which company owns MAC address prefix B0:1F:47?

MAC address prefix B0:1F:47 is registered to Heights Telecom T ltd in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with B0:1F:47 has a network interface built by Heights Telecom T ltd.

What is the OUI B0:1F:47?

B0:1F:47 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Heights Telecom T ltd. It covers every address from B0:1F:47:00:00:00 to B0:1F:47:FF:FF:FF, or 16,777,216 addresses in total. It is also written B0-1F-47.

How do I find the manufacturer of a MAC address?

Take the first three octets of the address — in B0:1F:47:00:00:00 that is B0:1F:47 — 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 Heights Telecom T ltd located?

Heights Telecom T ltd is listed at Moshe Lerer 15 Nes Ziona IL 7404996 in the IEEE OUI registry entry for B0:1F:47. This is the address the organization registered with the IEEE, which may differ from its current operating address.

How many MAC prefixes does Heights Telecom T ltd own?

Heights Telecom T ltd holds 2 OUI prefixes in the IEEE registry, of which B0:1F:47 is one. A device made by Heights Telecom T ltd could carry a MAC address from any of them.

Heights Telecom T ltd

MAC address prefix B0:1F:47 is registered to Heights Telecom T ltd in the IEEE OUI registry. Any device whose MAC address begins with B0:1F:47 has a network interface built by Heights Telecom T 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 B0:1F:47:00:00:00 to B0:1F:47:FF:FF:FF.

OUI prefix: B0:1F:47
Hyphen form: B0-1F-47
MAC range: B0:1F:47:00:00:00 – B0:1F:47:FF:FF:FF
Addresses in block: 16,777,216
Organization: Heights Telecom T ltd
Address: Moshe Lerer 15 Nes Ziona IL 7404996
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 Heights Telecom T ltd

Heights Telecom T ltd holds 2 OUI prefixes in total. A device with this exact prefix could just as well carry any of these:

00:B8:C2

Assignment history (2)

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 "Heights Telecom T ltd"
archived source →
2026-07-17Assigned to "Heights Telecom T ltd"

Nearby in the registry

The prefixes assigned immediately before and after B0:1F:47:

FAQ

Which company owns MAC address prefix B0:1F:47?: MAC address prefix B0:1F:47 is registered to Heights Telecom T ltd in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with B0:1F:47 has a network interface built by Heights Telecom T ltd.
What is the OUI B0:1F:47?: B0:1F:47 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Heights Telecom T ltd. It covers every address from B0:1F:47:00:00:00 to B0:1F:47:FF:FF:FF, or 16,777,216 addresses in total. It is also written B0-1F-47.
How do I find the manufacturer of a MAC address?: Take the first three octets of the address — in B0:1F:47:00:00:00 that is B0:1F:47 — 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 Heights Telecom T ltd located?: Heights Telecom T ltd is listed at Moshe Lerer 15 Nes Ziona IL 7404996 in the IEEE OUI registry entry for B0:1F:47. This is the address the organization registered with the IEEE, which may differ from its current operating address.
How many MAC prefixes does Heights Telecom T ltd own?: Heights Telecom T ltd holds 2 OUI prefixes in the IEEE registry, of which B0:1F:47 is one. A device made by Heights Telecom T ltd could carry a MAC address from any of them.