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AS18310
AS18310 SK Broadband Co Ltd
SKB-VITSSEN-AS-KR-KR - SK Broadband Co Ltd · registered in South Korea
IPv4 addresses 137,216 16 prefixes · 0.004% of announced IPv4
Rank in South Korea #37 largest network in KR by IPv4 space, of 853 · 0.13% of KR
Rank worldwide #1,427 of 79,396 networks with IPv4
IPv6 none no IPv6 routes announced
IPv4 prefixes
All 16 prefixes, in address order.
27.112.128.0/17 45.112.108.0/22 61.100.192.0/19 61.252.192.0/18 103.51.196.0/22 112.121.0.0/19 117.20.80.0/20 119.148.112.0/20 125.31.128.0/18 203.90.32.0/19 203.149.112.0/20 211.115.224.0/19 211.172.32.0/19 211.172.64.0/20 211.173.128.0/19 211.174.0.0/20
Other ASNs named SK Broadband Co Ltd
22 other networks use the same organisation name; together with AS18310 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 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 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
AS17608 #34 ABN-AS-KR-KR - ABN143,360 AS10066 #35 GAYANET-AS-KR-KR - LG HelloVision Corp.139,520 AS45985 #36 SAMSUNGCLOUDPLATFORM-AS-KR-KR - SamsungSDS Inc.138,496 AS9981 #38 SAERONET-AS-KR-KR - Saero Network Service LTD136,192 AS45370 #39 BROADBANDIDC-AS-KR-KR - BROADBANDIDC135,424 AS38700 #40 SMILESERV-AS-KR-KR - SMILESERV131,072
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