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AS23575
AS23575 SK Broadband Co Ltd
SKB-GOV-KR-KR - SK Broadband Co Ltd · registered in South Korea
IPv4 addresses 44,800 25 prefixes · 0.001% of announced IPv4
Rank in South Korea #119 largest network in KR by IPv4 space, of 853 · 0.04% of KR
Rank worldwide #4,122 of 79,396 networks with IPv4
IPv6 none no IPv6 routes announced
IPv4 prefixes
All 25 prefixes, in address order.
125.61.0.0/20 125.61.16.0/21 125.61.24.0/23 125.61.26.0/24 125.61.28.0/22 125.61.32.0/19 125.61.64.0/19 125.61.96.0/22 125.61.101.0/24 125.61.102.0/23 125.61.104.0/21 125.61.112.0/22 125.61.118.0/23 125.61.120.0/21 175.122.90.0/23 175.122.92.0/22 175.122.96.0/19 175.123.232.0/22 175.123.236.0/23 175.123.238.0/24 203.243.15.0/24 203.243.16.0/24 203.247.93.0/24 203.247.94.0/23 203.247.96.0/24
Other ASNs named SK Broadband Co Ltd
22 other networks use the same organisation name; together with AS23575 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 AS17597 SKB-SAEROMNET-AS-KR-KR - SK Broadband Co Ltd KR 75,776 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 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
AS9952 #116 HOSTWAY-AS-KR-KR - Hostway IDC47,608 AS38120 #117 GBNTV-AS-KR-KR - LG HelloVision Corp.47,104 AS10175 #118 HCNKUMHO-AS-KR-KR - Kumho Cable46,080 AS38680 #120 CMBHK-AS-KR-KR - CMB43,008 AS17612 #121 RINNAI-AS-KR-KR - Rinnai Korea40,960 AS17862 #122 KWNU-AS-KR-KR - Kangwon National University40,448
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