Shanghai Kanghai Information System CO.,LTD.

Shanghai Kanghai Information System CO.,LTD. , manages 32 unique MAC address prefixes. These prefixes are part of a massive allocation with a total block size of 33.6 million addresses.

The allocation includes the following types: MA-M (Mac Address Block Medium, ~1 Million addresses each).

The company registered its MAC address allocation on 15 February 2018, and the most recent update was made on 24 September 2025. These allocations support network identification and communication globally.

Unique prefixes: 32

Block Size: 33554400 (33.55 M)

First registration: 15 February 2018

Last updated: 24 September 2025

Types

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

MAC PrefixTypeRegistration Date
04:58:5D:E MA-M2025-05-28
04:A1:6F:0 MA-M2025-02-19
04:EE:E8:7 MA-M2021-11-10
0C:5C:B5:8 MA-M2021-01-26
10:63:A3:8 MA-M2024-04-02
18:C3:F4:D MA-M2022-06-01
34:46:63:9 MA-M2024-05-20
34:C8:D6:E MA-M2024-01-18
38:A8:CD:7 MA-M2021-07-09
48:5E:0E:0 MA-M2024-07-18
54:A4:93:4 MA-M2019-07-26
58:23:BC:4 MA-M2024-12-30
58:47:CA:6 MA-M2022-06-20
58:95:D8:8 MA-M2020-08-25
64:62:66:7 MA-M2019-12-19
6C:93:08:5 MA-M2022-01-08
70:50:E7:0 MA-M2022-03-18
78:13:05:9 MA-M2021-04-20
78:39:2D:7 MA-M2023-10-26
88:A6:EF:C MA-M2023-05-25
8C:AE:49:E MA-M2020-10-21
B0:47:5E:0 MA-M2024-10-08
C0:48:2F:B MA-M2024-08-21
C4:98:94:7 MA-M2022-07-27
C4:FF:BC:6 MA-M2018-02-15
DC:76:C3:3 MA-M2025-04-18
E0:23:3B:B MA-M2025-08-11
EC:74:CD:1 MA-M2024-11-18
F0:40:AF:E MA-M2025-09-24
F4:20:55:A MA-M2024-06-17
F8:2B:E6:B MA-M2025-03-18
FC:E4:98:3 MA-M2025-07-03