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IEEE Registrant 18 Prefixes

Guan Show Technologe Co., Ltd.

Guan Show Technologe Co., Ltd. manages 18 unique MAC address prefixes. These prefixes have a total block size of 73.7 thousand addresses.

The allocation includes the following types: MA-S(MAC Address Block Small, previously named OUI-36, encompasses IAB assignments, 4,096 addresses each).

The company registered its MAC address allocation on 14 June 2018, and the most recent update was made on 15 April 2026. These allocations support network identification and communication globally.

Unique prefixes 18
Block Size 73710 (73.7 k)
First registration 14 June 2018
Last updated 15 April 2026

Entity Details

Unique prefixes 18
Block Size 73710 (73.7 k)
First registration 14 June 2018
Last updated 15 April 2026

Types

MA-S: Block Type

Mac Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)

Registered MAC Prefixes

All Organizationally Unique Identifiers and MAC ranges assigned to this vendor

18 Records
MAC PrefixTypeRegistration Date
70:B3:D5:03:E MA-S2019-10-02
70:B3:D5:1B:A MA-S2020-08-11
70:B3:D5:1F:C MA-S2019-04-23
70:B3:D5:46:D MA-S2021-01-12
70:B3:D5:75:2 MA-S2019-07-02
70:B3:D5:82:9 MA-S2021-01-11
70:B3:D5:E2:B MA-S2018-06-14
70:B3:D5:F6:A MA-S2020-02-04
70:B3:D5:F8:0 MA-S2019-11-22
8C:1F:64:00:C MA-S2022-08-12
8C:1F:64:45:1 MA-S2023-07-24
8C:1F:64:4C:D MA-S2021-08-13
8C:1F:64:76:C MA-S2024-07-22
8C:1F:64:7B:5 MA-S2022-06-15
8C:1F:64:8A:9 MA-S2021-08-06
8C:1F:64:8C:D MA-S2024-10-18
8C:1F:64:A0:1 MA-S2021-12-06
8C:1F:64:A4:1 MA-S2026-04-15