Vendor directory
3,518 blocks registered in South Korea.
Page 4 of 36
Every MA-L, MA-M, MA-S, IAB, and CID block IEEE has ever assigned to a named organization, browsable or searchable.
Unique organizations2,192
Total blocks3,518
MA-L count2,790
MA-M count244
MA-S count340
IAB count137
CID count7
Total address capacity47,183,679,488
Last changed hereSep 26, 2026
Country reflects the address published in the IEEE registration record. It does not indicate where a device was manufactured, sold, located or currently used.
Largest organizations in South Korea
| Organization | Blocks |
|---|---|
| Samsung Electronics Co.,Ltd | 903 |
| LG Electronics (Mobile Communications) | 77 |
| LG Innotek | 50 |
| LG Electronics | 37 |
| HUMAX Co., Ltd. | 31 |
| KST technology | 20 |
| OHSUNG | 16 |
| Kaon Group Co., Ltd. | 13 |
| SAMSUNG ELECTRO MECHANICS CO., LTD. | 12 |
| EFM Networks | 8 |
Organization
Prefix
Type
🇰🇷 CODESYSTEM Co.,Ltd
70:B3:D5:FC:00:00 /36
MA-S
🇰🇷 COM&C CO., LTD
00:0F:03:00:00:00 /24
MA-L
🇰🇷 Comart system
00:0D:52:00:00:00 /24
MA-L
🇰🇷 COMESTA, Inc.
28:FE:DE:00:00:00 /24
MA-L
🇰🇷 COMFILE Technology
00:25:AF:00:00:00 /24
MA-L
🇰🇷 COMING MEDIA CORP.
00:1D:5E:00:00:00 /24
MA-L
🇰🇷 commax Co., Ltd.
00:0B:42:00:00:00 /24
MA-L
🇰🇷 Communication Weaver Co.,Ltd.
00:09:4C:00:00:00 /24
MA-L
🇰🇷 COMOS TELECOM
00:10:68:00:00:00 /24
MA-L
🇰🇷 Compass System(Embedded Dept.)
00:24:75:00:00:00 /24
MA-L
🇰🇷 Compass Technologies Inc.
58:E3:26:00:00:00 /24
MA-L
🇰🇷 COMTEC SYSTEMS. CO., LTD.
00:E0:1A:00:00:00 /24
MA-L
🇰🇷 CONSPIN SOLUTION
18:38:AE:00:00:00 /24
MA-L
🇰🇷 Contela, Inc.
00:17:0B:00:00:00 /24
MA-L
🇰🇷 ControlWorks, Inc.
70:B3:D5:89:B0:00 /36
MA-S
🇰🇷 ConversDigital Co., Ltd.
98:5E:1B:00:00:00 /24
MA-L
🇰🇷 COOLKSKY Co., LTD
00:16:03:00:00:00 /24
MA-L
🇰🇷 Core Balance Co., Ltd.
70:B3:D5:D5:F0:00 /36
MA-S
🇰🇷 Core Communications Co., Ltd.
00:03:0E:00:00:00 /24
MA-L
🇰🇷 CORE DIGITAL ELECTRONICS CO., LTD
00:1C:29:00:00:00 /24
MA-L
🇰🇷 Core Logic Inc.
6C:6E:FE:00:00:00 /24
MA-L
🇰🇷 CoreBell Systems Inc.
00:0A:D4:00:00:00 /24
MA-L
🇰🇷 Corecess Inc.
00:90:A3:00:00:00 /24
MA-L
🇰🇷 CoreEdge Networks Co., Ltd
08:35:B2:00:00:00 /24
MA-L
🇰🇷 CORESYS
A0:BF:A5:00:00:00 /24
MA-L
🇰🇷 Coretree, Co, Ltd
00:1F:FA:00:00:00 /24
MA-L
🇰🇷 CoreTrust Inc.
18:84:10:00:00:00 /24
MA-L
🇰🇷 Cos Tron
00:08:03:00:00:00 /24
MA-L
🇰🇷 Cosco Electronics Co., Ltd.
7C:BB:6F:00:00:00 /24
MA-L
🇰🇷 COSMOIT.CO.LTD
70:B3:D5:75:40:00 /36
MA-S
🇰🇷 COSTEL.,CO.LTD
F0:8B:FE:00:00:00 /24
MA-L
🇰🇷 Cots Technology
E8:28:D5:00:00:00 /24
MA-L
🇰🇷 COWON SYSTEMS,Inc.
00:1E:55:00:00:00 /24
MA-L
🇰🇷 COX CO., LTD
60:3F:C5:00:00:00 /24
MA-L
🇰🇷 CoXlab Inc.
70:B3:D5:DF:10:00 /36
MA-S
🇰🇷 CoxSpace
E8:6C:C7:A0:00:00 /28
MA-M
🇰🇷 CREATIVE
70:B3:D5:A6:50:00 /36
MA-S
🇰🇷 Creatz inc.
2C:A8:9C:00:00:00 /24
MA-L
🇰🇷 CreNova Multimedia Co., Ltd
00:25:FF:00:00:00 /24
MA-L
🇰🇷 Crenus Co.,Ltd.
24:B8:8C:00:00:00 /24
MA-L
🇰🇷 Crere Networks, Inc.
00:0E:27:00:00:00 /24
MA-L
🇰🇷 CRESPRIT INC.
70:B3:D5:C3:80:00 /36
MA-S
🇰🇷 CRESYN
00:18:09:00:00:00 /24
MA-L
🇰🇷 CRESYN
14:06:A7:00:00:00 /24
MA-L
🇰🇷 CRESYN
30:53:C1:00:00:00 /24
MA-L
🇰🇷 CRESYN
74:45:CE:00:00:00 /24
MA-L
🇰🇷 CRESYN
E8:9E:13:00:00:00 /24
MA-L
🇰🇷 Cresyn Co., Ltd.
BC:2B:1E:00:00:00 /24
MA-L
🇰🇷 Creval Systems, Inc.
00:0A:89:00:00:00 /24
MA-L
🇰🇷 CREVIS Co., LTD
00:14:F7:00:00:00 /24
MA-L
🇰🇷 Crewave Co., Ltd.
00:02:70:00:00:00 /24
MA-L
🇰🇷 CRUXELL Corp.
70:B3:D5:51:80:00 /36
MA-S
🇰🇷 CRUXELL Corp.
8C:1F:64:3E:10:00 /36
MA-S
🇰🇷 CS Corporation
00:18:C3:00:00:00 /24
MA-L
🇰🇷 CSINFOTEL
70:B3:D5:C9:70:00 /36
MA-S
🇰🇷 csintech
70:B3:D5:DB:60:00 /36
MA-S
🇰🇷 CSJ Global, Inc.
00:21:C6:00:00:00 /24
MA-L
🇰🇷 CTRING
00:19:9C:00:00:00 /24
MA-L
🇰🇷 CTS System Co., LTD.
70:48:B5:00:00:00 /24
MA-L
🇰🇷 Cudo Communication Co., Ltd.
88:ED:1C:00:00:00 /24
MA-L
🇰🇷 CVnet
70:88:6B:20:00:00 /28
MA-M
🇰🇷 CVT CO.,LTD
D4:E9:0B:00:00:00 /24
MA-L
🇰🇷 Cyber Technology Co., Ltd.
00:04:6C:00:00:00 /24
MA-L
🇰🇷 CyberNet Inc.
00:12:5D:00:00:00 /24
MA-L
🇰🇷 CYBERTEL BRIDGE
00:6A:5E:C0:00:00 /28
MA-M
🇰🇷 Cybertelbridge co.,ltd
5C:87:78:00:00:00 /24
MA-L
🇰🇷 CYBERTRON CO., LTD.
00:50:C2:31:00:00 /36
IAB
🇰🇷 Cydle Corp.
94:D0:19:00:00:00 /24
MA-L
🇰🇷 CYJAYA Korea
00:50:C2:4A:80:00 /36
IAB
🇰🇷 CYNIX Systems Inc
70:B3:D5:32:00:00 /36
MA-S
🇰🇷 CYZENTECH Co., Ltd.
00:04:46:00:00:00 /24
MA-L
🇰🇷 D&T Inc.
B0:C5:CA:90:00:00 /28
MA-M
🇰🇷 DACONS
F8:1D:78:50:00:00 /28
MA-M
🇰🇷 DACOS Technologies Co., Ltd.
00:17:E1:00:00:00 /24
MA-L
🇰🇷 DAE EUN ELETRONICS CO., LTD
5C:22:C4:00:00:00 /24
MA-L
🇰🇷 Daehanet, Inc.
00:07:6C:00:00:00 /24
MA-L
🇰🇷 DAEHAP HYPER-TECH
00:26:A8:00:00:00 /24
MA-L
🇰🇷 DAEHAP HYPER-TECH
78:CB:68:00:00:00 /24
MA-L
🇰🇷 DAEHO I&T
B4:B2:65:00:00:00 /24
MA-L
🇰🇷 DAEMYUNG ZERO1
00:17:DC:00:00:00 /24
MA-L
🇰🇷 Daeryung Ind., Inc.
00:04:E4:00:00:00 /24
MA-L
🇰🇷 DAESHIN-INFORMATION TECHNOLOGY CO., LTD.
F8:97:CF:00:00:00 /24
MA-L
🇰🇷 DAESUNG CELTIC ENERSYS
D0:93:95:40:00:00 /28
MA-M
🇰🇷 daesung eltec
48:ED:80:00:00:00 /24
MA-L
🇰🇷 daesung network
3C:10:40:00:00:00 /24
MA-L
🇰🇷 DAEWOO ELECTRONICS CO., LTD.
00:90:53:00:00:00 /24
MA-L
🇰🇷 DAEWOO TELECOM LTD.
00:C0:77:00:00:00 /24
MA-L
🇰🇷 Daewoo Teletech Co., Ltd
00:0A:C4:00:00:00 /24
MA-L
🇰🇷 DAEWOOIS
18:17:14:00:00:00 /24
MA-L
🇰🇷 DAEYEON Control&Instrument Co,.Ltd
78:A6:BD:00:00:00 /24
MA-L
🇰🇷 Daeyoung Electronics
9C:FA:3C:00:00:00 /24
MA-L
🇰🇷 Daeyoung inc.
00:50:C2:BE:A0:00 /36
IAB
🇰🇷 DAEYOUNG INFORMATION SYSTEM CO., LTD
E8:0C:38:00:00:00 /24
MA-L
🇰🇷 DAGS
0C:C6:AC:00:00:00 /24
MA-L
🇰🇷 DAGS, Inc
00:17:52:00:00:00 /24
MA-L
🇰🇷 DAIDONG Industrial System Co., Ltd.
88:5D:90:20:00:00 /28
MA-M
🇰🇷 DAIHAN Scientific Co., Ltd.
B4:EF:04:00:00:00 /24
MA-L
🇰🇷 DAIKYUNG VASCOM
98:30:71:00:00:00 /24
MA-L
🇰🇷 Dain
00:50:C2:74:10:00 /36
IAB
🇰🇷 DAIN TELECOM CO., LTD.
00:50:38:00:00:00 /24
MA-L