Sichuan Tianyi Comheart Telecom Co.,LTD

Sichuan Tianyi Comheart Telecom Co.,LTD accessible at www.tianyisc.com, manages 89 unique MAC address prefixes. These prefixes have a total block size of 1.5 billion addresses.

The allocation includes the following types: MA-L(Mac Address Block Large, 16,777,216 addresses each) and MA-M(Mac Address Block Medium, 1,048,576 addresses each).

The company registered its MAC address allocation on 12 September 2013, and the most recent update was made on 04 May 2026. These allocations support network identification and communication globally.

Unique prefixes: 89

Block Size: 1477443495 (1.47 G)

www.tianyisc.com

First registration: 12 September 2013

Last updated: 04 May 2026

Types

MA-L:Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)

MA-M:Mac Address Block Medium. Number of address 2^20 (~1 Million)

MAC PrefixTypeRegistration Date
00:4C:E5 MA-L2023-09-20
00:E5:E4 MA-L2020-05-12
04:43:FD MA-L2022-05-03
04:6B:25 MA-L2018-07-22
08:01:0F MA-L2016-03-16
10:12:B4 MA-L2018-07-28
14:69:A2 MA-L2018-06-29
18:52:07 MA-L2017-01-07
18:75:32 MA-L2016-09-03
1C:0E:D3 MA-L2022-04-08
1C:FF:59 MA-L2020-03-24
24:06:F2 MA-L2022-01-15
24:1A:F7 MA-L2026-05-04
24:1D:48 MA-L2021-04-20
24:8B:E0 MA-L2017-07-26
28:93:7D MA-L2021-07-24
2C:4B:14 MA-L2026-05-04
2C:63:73 MA-L2016-09-22
30:5A:99 MA-L2021-08-31
30:BD:FE MA-L2025-03-08
34:8D:52 MA-L2023-04-14
38:68:BE MA-L2021-12-29
40:70:A5 MA-L2025-01-06
40:F4:20 MA-L2016-03-04
44:56:E2 MA-L2020-04-10
44:BA:46 MA-L2016-07-14
44:D5:06 MA-L2022-08-25
48:5D:ED MA-L2022-06-02
54:E0:61 MA-L2017-01-07
58:D2:37 MA-L2023-04-14
5C:4A:1F MA-L2016-09-22
5C:A1:76 MA-L2017-07-01
5C:FC:6E MA-L2022-06-02
64:3A:B1 MA-L2015-11-17
64:52:34 MA-L2022-12-31
64:5D:92 MA-L2015-11-17
64:C0:1A MA-L2025-01-06
68:1A:7C MA-L2023-02-23
68:1E:A3 MA-L2026-01-22
68:26:2A MA-L2017-01-07
74:69:4A MA-L2021-12-29
78:47:E3 MA-L2018-07-22
78:71:04 MA-L2022-01-15
78:B8:4B MA-L2016-03-01
78:C2:C0:6 MA-M2016-02-05
7C:CC:1F MA-L2016-08-08
7C:DA:C3 MA-L2021-12-07
80:48:A5 MA-L2013-09-12
84:B6:30 MA-L2021-07-24
88:00:C6 MA-L2026-01-22
88:01:0C MA-L2023-11-13
8C:81:72 MA-L2021-04-20
90:52:BF MA-L2022-11-17
90:86:74 MA-L2016-10-03
98:8C:B3 MA-L2022-12-31
9C:32:A9 MA-L2017-01-07
9C:61:21 MA-L2016-04-11
9C:9C:40 MA-L2017-07-23
A4:2A:71 MA-L2021-03-19
A4:A5:28 MA-L2022-11-17
AC:01:7A MA-L2025-06-05
AC:E7:7B MA-L2016-04-01
B8:22:4F MA-L2016-11-17
B8:A7:92 MA-L2025-11-14
B8:DD:E8 MA-L2025-06-05
BC:5D:A3 MA-L2022-04-08
C0:1B:23 MA-L2018-08-16
C0:91:20 MA-L2023-09-20
C0:CC:42 MA-L2020-05-23
C4:A1:51 MA-L2020-04-21
C8:14:B4 MA-L2021-12-07
C8:6C:20 MA-L2022-03-15
CC:26:14 MA-L2024-08-15
CC:6D:55 MA-L2025-03-08
CC:A2:60 MA-L2016-03-16
D4:41:65 MA-L2016-02-10
D4:EE:DE MA-L2021-08-31
D8:EE:42 MA-L2023-11-13
E0:4F:BD MA-L2015-12-03
E0:C6:3C MA-L2019-07-02
E0:F3:18 MA-L2022-05-03
E8:6E:3E MA-L2025-11-14
EC:F8:EB MA-L2017-07-23
F0:92:B4 MA-L2017-07-23
F8:66:91 MA-L2023-02-23
F8:CD:C8 MA-L2022-03-15
F8:E3:5F MA-L2024-08-15
FC:37:2B MA-L2016-07-14
FC:91:89 MA-L2022-08-25