Which company owns MAC address prefix D8:58:C6?

MAC address prefix D8:58:C6 is registered to Katch Asset Tracking Pty Limited in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with D8:58:C6 has a network interface built by Katch Asset Tracking Pty Limited.

What is the OUI D8:58:C6?

D8:58:C6 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Katch Asset Tracking Pty Limited. It covers every address from D8:58:C6:00:00:00 to D8:58:C6:FF:FF:FF, or 16,777,216 addresses in total. It is also written D8-58-C6.

How do I find the manufacturer of a MAC address?

Take the first three octets of the address — in D8:58:C6:00:00:00 that is D8:58:C6 — 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 Katch Asset Tracking Pty Limited located?

Katch Asset Tracking Pty Limited is listed at 98 Riley St Darlinghurst NSW AU 2010 in the IEEE OUI registry entry for D8:58:C6. This is the address the organization registered with the IEEE, which may differ from its current operating address.

Katch Asset Tracking Pty Limited

MAC address prefix D8:58:C6 is registered to Katch Asset Tracking Pty Limited in the IEEE OUI registry. Any device whose MAC address begins with D8:58:C6 has a network interface built by Katch Asset Tracking Pty Limited. 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 D8:58:C6:00:00:00 to D8:58:C6:FF:FF:FF.

OUI prefix: D8:58:C6
Hyphen form: D8-58-C6
MAC range: D8:58:C6:00:00:00 – D8:58:C6:FF:FF:FF
Addresses in block: 16,777,216
Organization: Katch Asset Tracking Pty Limited
Address: 98 Riley St Darlinghurst NSW AU 2010
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 (1)

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

2026-07-17Assigned to "Katch Asset Tracking Pty Limited"

Nearby in the registry

The prefixes assigned immediately before and after D8:58:C6:

FAQ

Which company owns MAC address prefix D8:58:C6?: MAC address prefix D8:58:C6 is registered to Katch Asset Tracking Pty Limited in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with D8:58:C6 has a network interface built by Katch Asset Tracking Pty Limited.
What is the OUI D8:58:C6?: D8:58:C6 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Katch Asset Tracking Pty Limited. It covers every address from D8:58:C6:00:00:00 to D8:58:C6:FF:FF:FF, or 16,777,216 addresses in total. It is also written D8-58-C6.
How do I find the manufacturer of a MAC address?: Take the first three octets of the address — in D8:58:C6:00:00:00 that is D8:58:C6 — 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 Katch Asset Tracking Pty Limited located?: Katch Asset Tracking Pty Limited is listed at 98 Riley St Darlinghurst NSW AU 2010 in the IEEE OUI registry entry for D8:58:C6. This is the address the organization registered with the IEEE, which may differ from its current operating address.