Sichuan Tianyi Comheart Telecom Co.,LTD
MAC address prefix 44:BA:46 is registered to Sichuan Tianyi Comheart Telecom Co.,LTD in the IEEE OUI registry. Any device whose MAC address begins with 44:BA:46 has a network interface built by Sichuan Tianyi Comheart Telecom Co.,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 44:BA:46:00:00:00 to 44:BA:46:FF:FF:FF.
- OUI prefix
- 44:BA:46
- Hyphen form
- 44-BA-46
- MAC range
- 44:BA:46:00:00:00 – 44:BA:46:FF:FF:FF
- Addresses in block
- 16,777,216
- Organization
- Sichuan Tianyi Comheart Telecom Co.,LTD
- Address
- FL12,TowerB,Tianyi international Hotel,No.2 West Section One, Second Ring Road, Chengdu Sichuan CN 610000
- 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 Sichuan Tianyi Comheart Telecom Co.,LTD
Sichuan Tianyi Comheart Telecom Co.,LTD holds 88 OUI prefixes in total. A device with this exact prefix could just as well carry any of these:
Assignment history (3)
The IEEE registry publishes current state only — this is the change record we've kept since we started tracking it daily.
- 2016-07-29Assigned to "SICHUAN TIANYI COMHEART TELECOMCO.,LTD"archived source →
- 2021-02-25Renamed from "SICHUAN TIANYI COMHEART TELECOMCO.,LTD" to "Sichuan Tianyi Comheart Telecom Co.,LTD"archived source →
- 2026-07-17Assigned to "Sichuan Tianyi Comheart Telecom Co.,LTD"
Nearby in the registry
The prefixes assigned immediately before and after 44:BA:46:
- Mellanox Technologies, Inc.44:B4:A0
- Amazon Technologies Inc.44:B4:B2
- Tenet Networks Private Limited44:B5:9C
- Cisco Systems, Inc44:B6:BE
- Microchip Technology Inc.44:B7:D0
- Douglas Lighting Controls44:B9:94
- Google, Inc.44:BB:3B
- Espressif Inc.44:BD:8D
- Xiaomi Communications Co Ltd44:BD:C8
- BHTC GmbH44:BD:DE
- HUAWEI TECHNOLOGIES CO.,LTD44:BE:0B
- PEGATRON CORPORATION44:BE:23
FAQ
- Which company owns MAC address prefix 44:BA:46?
- MAC address prefix 44:BA:46 is registered to Sichuan Tianyi Comheart Telecom Co.,LTD in the IEEE Organizationally Unique Identifier (OUI) registry. Any device whose MAC address begins with 44:BA:46 has a network interface built by Sichuan Tianyi Comheart Telecom Co.,LTD.
- What is the OUI 44:BA:46?
- 44:BA:46 is an Organizationally Unique Identifier — the first three octets (24 bits) of a MAC address, assigned by the IEEE to Sichuan Tianyi Comheart Telecom Co.,LTD. It covers every address from 44:BA:46:00:00:00 to 44:BA:46:FF:FF:FF, or 16,777,216 addresses in total. It is also written 44-BA-46.
- How do I find the manufacturer of a MAC address?
- Take the first three octets of the address — in 44:BA:46:00:00:00 that is 44:BA:46 — 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 Sichuan Tianyi Comheart Telecom Co.,LTD located?
- Sichuan Tianyi Comheart Telecom Co.,LTD is listed at FL12,TowerB,Tianyi international Hotel,No.2 West Section One, Second Ring Road, Chengdu Sichuan CN 610000 in the IEEE OUI registry entry for 44:BA:46. This is the address the organization registered with the IEEE, which may differ from its current operating address.
- How many MAC prefixes does Sichuan Tianyi Comheart Telecom Co.,LTD own?
- Sichuan Tianyi Comheart Telecom Co.,LTD holds 88 OUI prefixes in the IEEE registry, of which 44:BA:46 is one. A device made by Sichuan Tianyi Comheart Telecom Co.,LTD could carry a MAC address from any of them.