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South Korea
Networks in South Korea
869 autonomous systems are registered in South Korea (KR). Together they announce 107,394,174 IPv4 addresses, 3.43% of the announced total, which ranks South Korea #5 of 240 countries.
Autonomous systems 869 853 announce IPv4, 16 IPv6 only
IPv4 addresses 107,394,174 3.43% of announced IPv4 · #5 worldwide
Top 5 networks hold 80.9% of South Korea's IPv4 space
IPv6 143 x /32 (9,379,155 x /48) 63 of 869 networks (7%) announce IPv6
Small networks 145 announce a single /24 (256 addresses) or less
Top 50 networks in South Korea by IPv4 space
# ASN Network IPv4 addresses Of KR
1
AS4766 KIXS-AS-KR-KR - Korea Telecom
46,382,848
43.19%
2
AS9318 SKB-AS-KR - SK Broadband Co Ltd
14,994,944
13.96%
3
AS17858 POWERVIS-AS-KR-KR - LG POWERCOMM
10,307,072
9.60%
4
AS3786 LGDACOM-KR - LG DACOM Corporation
8,056,832
7.50%
5
AS9644 SKTELECOM-NET-AS-KR - SK Telecom
7,128,832
6.64%
6
AS6619 SAMSUNGSDS-AS-KR-KR - SamsungSDS Inc.
1,150,720
1.07%
7
AS9316 DACOM-PUBNETPLUS-AS-KR-KR - DACOM-PUBNETPLUS
1,099,776
1.02%
8
AS10036 CNM-AS-KR-KR - DLIVE
840,448
0.78%
9
AS9848 SejongTelecom-AS-KR-KR - SEJONG NETWORKS
795,970
0.74%
10
AS9457 DREAMX-AS-KR - DREAMLINE CO.
782,080
0.73%
11
AS4670 HYUNDAI-KR - Shinbiro
426,187
0.40%
12
AS17853 LGTELECOM-AS-KR-KR - LGTELECOM
417,024
0.39%
13
AS4668 LGNET-AS-KR-KR - LG CNS
408,064
0.38%
14
AS38661 HCLC-AS-KR-KR - abcle
362,496
0.34%
15
AS17849 SKB-GINAMHANVIT-AS-KR-KR - SK Broadband Co Ltd
313,344
0.29%
16
AS9845 CJCKN-AS-KR-KR - LG HelloVision Corp.
302,848
0.28%
17
AS1237 KREONET-AS-KR-KR - KISTI
292,096
0.27%
18
AS17839 DREAMPLUS-AS-KR-KR - LG HelloVision Corp.
289,024
0.27%
19
AS4663 ELIMNET-AS-KR-KR - ELIMNET, INC.
229,376
0.21%
20
AS17864 SKB-TBROAD_HANVIT-AS-KR-KR - SK Broadband Co Ltd
227,328
0.21%
21
AS9286 KINXIDC-AS-KR-KR - KINX
226,432
0.21%
22
AS9943 KNCTV-AS-KR - KangNam CableTV
225,792
0.21%
23
AS17841 NCIA-AS-KR-KR - NATIONAL INFORMATION RESOURCES SERVICE
225,280
0.21%
24
AS9689 SKB-FCABLE-AS-KR - SK Broadband Co Ltd
213,504
0.20%
25
AS23563 SKB-VITSSEN-SUWON-AS-KR-KR - SK Broadband Co Ltd
203,776
0.19%
26
AS9694 SEOKYUNG-CATV-AS-KR-KR - Seokyung Cable Television Co.. Ltd.
197,632
0.18%
27
AS45996 DAOU-AS-KR-KR - DAOU TECHNOLOGY
175,360
0.16%
28
AS17878 MARK1-AS-KR-KR - DREAMMARK1
166,912
0.16%
29
AS17877 NEXG-AS-KR-KR - KX NexG Co., LTD
159,744
0.15%
30
AS9770 SPEEDONSTV-AS-KR-KR - LG HelloVision Corp.
157,952
0.15%
31
AS45361 JCN-AS-KR-KR - Ulsan Jung-Ang Broadcasting Network
151,040
0.14%
32
AS9697 CJHAEUNDAEGIJANG-AS-KR-KR - LG HelloVision Corp.
146,176
0.14%
33
AS17857 SKB-NAKDONGDIGITALBUSANNET-AS-KR-KR - SK Broadband Co Ltd
145,408
0.14%
34
AS17608 ABN-AS-KR-KR - ABN
143,360
0.13%
35
AS10066 GAYANET-AS-KR-KR - LG HelloVision Corp.
139,520
0.13%
36
AS45985 SAMSUNGCLOUDPLATFORM-AS-KR-KR - SamsungSDS Inc.
138,496
0.13%
37
AS18310 SKB-VITSSEN-AS-KR-KR - SK Broadband Co Ltd
137,216
0.13%
38
AS9981 SAERONET-AS-KR-KR - Saero Network Service LTD
136,192
0.13%
39
AS45370 BROADBANDIDC-AS-KR-KR - BROADBANDIDC
135,424
0.13%
40
AS38700 SMILESERV-AS-KR-KR - SMILESERV
131,072
0.12%
41
AS9761 ASIANA-AS-KR - ASIANAIDT
129,280
0.12%
42
AS9488 SNU-AS-KR-KR - Seoul National University
129,024
0.12%
43
AS10049 SKNET-AS-KR - SK Co.,
127,488
0.12%
44
AS18313 PCN-AS-KR-KR - LG HelloVision Corp.
126,208
0.12%
45
AS23576 nhn-AS-KR-KR - NAVER Cloud Corp.
125,440
0.12%
46
AS9946 CABLENET-AS-KR-KR - KCTV JEJU BROADCASTING
116,736
0.11%
47
AS7562 HCNSEOCHO-AS-KR-KR - HCN Dongjak
108,544
0.10%
48
AS9756 SKB-CHEONANVITSSEN-AS-KR-KR - SK Broadband Co Ltd
108,544
0.10%
49
AS9781 GCS-AS-KR-KR - GREEN CABLE TELEVISION STATION
106,492
0.10%
50
AS38091 HELLONET-AS-KR-KR - LG HelloVision Corp.
105,984
0.10%
Countries of similar size
IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources