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AS17597
AS17597 SK Broadband Co Ltd
SKB-SAEROMNET-AS-KR-KR - SK Broadband Co Ltd · registered in South Korea
IPv4 addresses 75,776 51 prefixes · 0.002% of announced IPv4
Rank in South Korea #73 largest network in KR by IPv4 space, of 853 · 0.07% of KR
Rank worldwide #2,280 of 79,396 networks with IPv4
IPv6 none no IPv6 routes announced
IPv4 prefixes
All 51 prefixes, in address order.
45.112.104.0/22 61.47.192.0/18 103.51.192.0/22 125.209.0.0/19 125.209.32.0/20 125.209.48.0/23 125.209.50.0/24 125.209.51.0/24 125.209.52.0/22 125.209.56.0/22 125.209.60.0/24 125.209.61.0/24 125.209.62.0/23 203.123.192.0/21 203.123.200.0/22 203.123.204.0/22 203.123.208.0/21 203.123.216.0/22 203.123.220.0/24 203.123.221.0/24 203.123.222.0/23 223.28.128.0/20 223.28.144.0/21 223.28.152.0/24 223.28.153.0/24 223.28.154.0/23 223.28.156.0/22 223.28.160.0/21 223.28.168.0/21 223.28.176.0/21 223.28.184.0/21 223.28.192.0/21 223.28.200.0/22 223.28.204.0/22 223.28.208.0/24 223.28.209.0/24 223.28.210.0/23 223.28.212.0/22 223.28.216.0/21 223.28.224.0/23 223.28.226.0/24 223.28.227.0/24 223.28.228.0/22 223.28.232.0/22 223.28.236.0/23 223.28.238.0/23 223.28.240.0/21 223.28.248.0/22 223.28.252.0/24 223.28.253.0/24 223.28.254.0/23
Other ASNs named SK Broadband Co Ltd
22 other networks use the same organisation name; together with AS17597 they announce 17,192,960 IPv4 addresses.
ASN Name IPv4 addresses
AS9318 SKB-AS-KR - SK Broadband Co Ltd KR 14,994,944 AS17849 SKB-GINAMHANVIT-AS-KR-KR - SK Broadband Co Ltd KR 313,344 AS17864 SKB-TBROAD_HANVIT-AS-KR-KR - SK Broadband Co Ltd KR 227,328 AS9689 SKB-FCABLE-AS-KR - SK Broadband Co Ltd KR 213,504 AS23563 SKB-VITSSEN-SUWON-AS-KR-KR - SK Broadband Co Ltd KR 203,776 AS17857 SKB-NAKDONGDIGITALBUSANNET-AS-KR-KR - SK Broadband Co Ltd KR 145,408 AS18310 SKB-VITSSEN-AS-KR-KR - SK Broadband Co Ltd KR 137,216 AS9756 SKB-CHEONANVITSSEN-AS-KR-KR - SK Broadband Co Ltd KR 108,544 AS38103 SKB-QRIXNETKS-AS-KR-KR - SK Broadband Co Ltd KR 97,536 AS17854 SKBCABLELINE-AS-KR-KR - SK Broadband Co Ltd KR 96,256 AS38109 SKB-TCNINTERNET-AS-KR-KR - SK Broadband Co Ltd KR 95,488 AS10164 SKB-GSD-AS-KR-KR - SK Broadband Co Ltd KR 69,632 AS23578 SKB-NAMDONGNET-AS-KR-KR - SK Broadband Co Ltd KR 67,584 AS38096 QRIXNET-AS-KR-KR - SK Broadband Co Ltd KR 66,816 AS17573 SKB-MINS-AS-KR-KR - SK Broadband Co Ltd KR 60,160 AS9971 SKB-DONGDAEMUNCABLEINTERNET-AS-KR-KR - SK Broadband Co Ltd KR 59,392 AS38095 SKB-QRIXNETSDM-AS-KR-KR - SK Broadband Co Ltd KR 52,224 AS38097 SKB-QRIXNETJJ-AS-KR-KR - SK Broadband Co Ltd KR 51,200 AS23575 SKB-GOV-KR-KR - SK Broadband Co Ltd KR 44,800 AS9277 SKB-T-AS-KR-KR - SK Broadband Co Ltd KR 4,096 AS17846 SKB-H-AS-KR-KR - SK Broadband Co Ltd KR 4,096 AS46004 SKBMIL-KR - SK Broadband Co Ltd KR 3,840
Similar-sized networks in South Korea
ASN Name IPv4 addresses
AS10054 #70 CMBKJ-AS-KR-KR - CMB Kwangju Broadcasting76,800 AS9762 #71 HCN-AS-KR - kt HCN Co.,Ltd.76,544 AS9273 #72 SICC-AS-KR - ITCENENTEC CO.,LTD.76,032 AS18305 #74 POSNET-KR - POSCO DX75,264 AS17598 #75 YBNTV-AS-KR-KR - LG HelloVision Corp.74,496 AS9686 #76 SKKUNET-AS-KR - SungKyunKwan University (SKKU)73,728
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