OHSUNG MAC address blocks

The IEEE registry carries 16 blocks registered to OHSUNG, together 268 million addresses, first observed 29 Feb 2012, most recently 20 Jan 2026.

Registered in KR.

Its portfolio also includes blocks acquired from OHSUNG ELECTRONICS CO., LTD. × 2.

Prefix Block Addresses Country First registered
14:CF:8DMA-L16.8 millionKR29 Feb 2012
1C:39:29MA-L16.8 millionKR15 Oct 2020
30:9E:1DMA-L16.8 millionKR24 Sep 2020
34:3E:25MA-L16.8 millionKR30 Oct 2024
48:92:C1MA-L16.8 millionKR20 Jan 2026
68:96:6AMA-L16.8 millionKR2 Apr 2021
74:9E:A5MA-L16.8 millionKR12 Jul 2019
98:EF:9BMA-L16.8 millionKR9 Jun 2017
98:F5:A9MA-L16.8 millionKR16 Sep 2014
B8:14:DBMA-L16.8 millionKR24 Dec 2020
C8:DD:6AMA-L16.8 millionKR26 Jul 2024
D0:1B:1FMA-L16.8 millionKR17 Nov 2021
D4:FF:26MA-L16.8 millionKR22 Jul 2025
E8:DF:24MA-L16.8 millionKR12 Apr 2024
F4:83:2CMA-L16.8 millionKR27 Jul 2023
F4:AA:D0MA-L16.8 millionKR16 Feb 2023

Every block registered to OHSUNG in the IEEE registries, complete. Free-text search also matches former owners.

Complete as of the current IEEE registry deploy. Dates are when each registration was first observed in public data, not legal assignment dates.