AS38103 SK Broadband Co Ltd

SKB-QRIXNETKS-AS-KR-KR - SK Broadband Co Ltd · registered in South Korea

IPv4 addresses97,5369 prefixes · 0.003% of announced IPv4

Rank in South Korea#53largest network in KR by IPv4 space, of 853 · 0.09% of KR

Rank worldwide#1,920of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySouth Korea869 ASNs registered there

Open AS38103 in ASN lookup Look up an IP in this network (112.212.128.1) All networks in South Korea

IPv4 prefixes

All 9 prefixes, in address order.

112.212.128.0/18
115.161.128.0/18
123.109.128.0/18
123.254.128.0/17
203.229.35.0/24
223.131.128.0/19
223.131.160.0/20
223.131.176.0/21
223.131.184.0/22

Other ASNs named SK Broadband Co Ltd

22 other networks use the same organisation name; together with AS38103 they announce 17,192,960 IPv4 addresses.

ASNNameIPv4 addresses

AS9318SKB-AS-KR - SK Broadband Co Ltd KR14,994,944

AS17849SKB-GINAMHANVIT-AS-KR-KR - SK Broadband Co Ltd KR313,344

AS17864SKB-TBROAD_HANVIT-AS-KR-KR - SK Broadband Co Ltd KR227,328

AS9689SKB-FCABLE-AS-KR - SK Broadband Co Ltd KR213,504

AS23563SKB-VITSSEN-SUWON-AS-KR-KR - SK Broadband Co Ltd KR203,776

AS17857SKB-NAKDONGDIGITALBUSANNET-AS-KR-KR - SK Broadband Co Ltd KR145,408

AS18310SKB-VITSSEN-AS-KR-KR - SK Broadband Co Ltd KR137,216

AS9756SKB-CHEONANVITSSEN-AS-KR-KR - SK Broadband Co Ltd KR108,544

AS17854SKBCABLELINE-AS-KR-KR - SK Broadband Co Ltd KR96,256

AS38109SKB-TCNINTERNET-AS-KR-KR - SK Broadband Co Ltd KR95,488

AS17597SKB-SAEROMNET-AS-KR-KR - SK Broadband Co Ltd KR75,776

AS10164SKB-GSD-AS-KR-KR - SK Broadband Co Ltd KR69,632

AS23578SKB-NAMDONGNET-AS-KR-KR - SK Broadband Co Ltd KR67,584

AS38096QRIXNET-AS-KR-KR - SK Broadband Co Ltd KR66,816

AS17573SKB-MINS-AS-KR-KR - SK Broadband Co Ltd KR60,160

AS9971SKB-DONGDAEMUNCABLEINTERNET-AS-KR-KR - SK Broadband Co Ltd KR59,392

AS38095SKB-QRIXNETSDM-AS-KR-KR - SK Broadband Co Ltd KR52,224

AS38097SKB-QRIXNETJJ-AS-KR-KR - SK Broadband Co Ltd KR51,200

AS23575SKB-GOV-KR-KR - SK Broadband Co Ltd KR44,800

AS9277SKB-T-AS-KR-KR - SK Broadband Co Ltd KR4,096

AS17846SKB-H-AS-KR-KR - SK Broadband Co Ltd KR4,096

AS46004SKBMIL-KR - SK Broadband Co Ltd KR3,840

Similar-sized networks in South Korea

ASNNameIPv4 addresses

AS38091#50 HELLONET-AS-KR-KR - LG HelloVision Corp.105,984

AS9706#51 PETISNET-AS-KR - BUSAN EDUCATION RESEARCH & INFORMATION INSTITUTE101,888

AS45974#52 NHN-AS-KR-KR - NHNCLOUD98,048

AS4961#54 DISC-AS-KR-KR - Daewoo Information Systems96,768

AS17854#55 SKBCABLELINE-AS-KR-KR - SK Broadband Co Ltd96,256

AS38109#56 SKB-TCNINTERNET-AS-KR-KR - SK Broadband Co Ltd95,488

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