LLC Proizvodstvennaya Kompania "TransService"
MAC address prefix 48:45:CF is registered to LLC Proizvodstvennaya Kompania "TransService" in the IEEE OUI registry. Any device whose MAC address begins with 48:45:CF has a network interface built by LLC Proizvodstvennaya Kompania "TransService". 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 48:45:CF:00:00:00 to 48:45:CF:FF:FF:FF.
- OUI prefix
- 48:45:CF
- Hyphen form
- 48-45-CF
- MAC range
- 48:45:CF:00:00:00 – 48:45:CF:FF:FF:FF
- Addresses in block
- 16,777,216
- Organization
- LLC Proizvodstvennaya Kompania "TransService"
- Address
- Ulitsa Podolskih Kursantov, build. 3, of. 133 Moscow Moscow RU 117545
- 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 LLC Proizvodstvennaya Kompania "TransService"
LLC Proizvodstvennaya Kompania "TransService" holds 3 OUI prefixes in total. A device with this exact prefix could just as well carry any of these:
Assignment history (2)
The IEEE registry publishes current state only — this is the change record we've kept since we started tracking it daily.
- 2023-07-11Assigned to "LLC Proizvodstvennaya Kompania "TransService""archived source →
- 2026-07-17Assigned to "LLC Proizvodstvennaya Kompania "TransService""
Nearby in the registry
The prefixes assigned immediately before and after 48:45:CF:
- HUAWEI TECHNOLOGIES CO.,LTD48:43:5A
- Apple, Inc.48:43:7C
- Amazon Technologies Inc.48:43:DD
- Cisco SPVTG48:44:87
- Samsung Electronics Co.,Ltd48:44:F7
- Intel Corporate48:45:20
- CLOUD NETWORK TECHNOLOGY SINGAPORE PTE. LTD.48:45:E6
- Zepcam B.V.48:46:8D
- FN-LINK TECHNOLOGY LIMITED48:46:C1
- Uros Oy48:46:F1
- HUAWEI TECHNOLOGIES CO.,LTD48:46:FB
- Huawei Device Co., Ltd.48:47:4B
FAQ
- Which company owns MAC address prefix 48:45:CF?
- MAC address prefix 48:45:CF is registered to LLC Proizvodstvennaya Kompania "TransService" in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with 48:45:CF has a network interface built by LLC Proizvodstvennaya Kompania "TransService".
- What is the OUI 48:45:CF?
- 48:45:CF is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to LLC Proizvodstvennaya Kompania "TransService". It covers every address from 48:45:CF:00:00:00 to 48:45:CF:FF:FF:FF, or 16,777,216 addresses in total. It is also written 48-45-CF.
- How do I find the manufacturer of a MAC address?
- Take the first three octets of the address — in 48:45:CF:00:00:00 that is 48:45:CF — 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 LLC Proizvodstvennaya Kompania "TransService" located?
- LLC Proizvodstvennaya Kompania "TransService" is listed at Ulitsa Podolskih Kursantov, build. 3, of. 133 Moscow Moscow RU 117545 in the IEEE OUI registry entry for 48:45:CF. This is the address the organization registered with the IEEE, which may differ from its current operating address.
- How many MAC prefixes does LLC Proizvodstvennaya Kompania "TransService" own?
- LLC Proizvodstvennaya Kompania "TransService" holds 3 OUI prefixes in the IEEE registry, of which 48:45:CF is one. A device made by LLC Proizvodstvennaya Kompania "TransService" could carry a MAC address from any of them.