AS38680 CMB

CMBHK-AS-KR-KR - CMB · registered in South Korea

IPv4 addresses43,0085 prefixes · 0.001% of announced IPv4

Rank in South Korea#120largest network in KR by IPv4 space, of 853 · 0.04% of KR

Rank worldwide#4,175of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySouth Korea869 ASNs registered there

Open AS38680 in ASN lookup Look up an IP in this network (103.66.188.1) All networks in South Korea

IPv4 prefixes

All 5 prefixes, in address order.

103.66.188.0/22
103.246.172.0/22
116.255.64.0/18
124.195.224.0/19
180.233.192.0/18

Other ASNs named CMB

1 other network uses the same organisation name; together with AS38680 they announce 64,000 IPv4 addresses.

ASNNameIPv4 addresses

AS38133MULTINET-AS-KR-KR - CMB KR20,992

Similar-sized networks in South Korea

ASNNameIPv4 addresses

AS38120#117 GBNTV-AS-KR-KR - LG HelloVision Corp.47,104

AS10175#118 HCNKUMHO-AS-KR-KR - Kumho Cable46,080

AS23575#119 SKB-GOV-KR-KR - SK Broadband Co Ltd44,800

AS17612#121 RINNAI-AS-KR-KR - Rinnai Korea40,960

AS17862#122 KWNU-AS-KR-KR - Kangwon National University40,448

AS210528#123 Navox Navox co.,Ltd40,192

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