AS17661 NHN Cloud Japan Corporation

NHN-JAPAN - NHN Cloud Japan Corporation · registered in Japan

IPv4 addresses11,52016 prefixes · <0.001% of announced IPv4

Rank in Japan#296largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#8,466of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryJapan745 ASNs registered there

Open AS17661 in ASN lookup Look up an IP in this network (27.147.96.1) All networks in Japan

IPv4 prefixes

All 16 prefixes, in address order.

27.147.96.0/20
103.2.29.0/24
119.235.225.0/24
119.235.226.0/23
119.235.228.0/22
119.235.233.0/24
119.235.234.0/24
119.235.238.0/23
183.90.192.0/23
183.90.195.0/24
183.90.196.0/23
183.90.199.0/24
183.90.200.0/21
183.90.221.0/24
183.90.222.0/24
203.104.159.0/24

Other ASNs named NHN Cloud Japan Corporation

1 other network uses the same organisation name; together with AS17661 they announce 30,208 IPv4 addresses.

ASNNameIPv4 addresses

AS151386NCJ-NET - NHN Cloud Japan Corporation JP18,688

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS18142#293 BIWALOBE - KISTEM Co., Ltd.12,288

AS23630#294 CAC-NET - CAC Inc.12,288

AS4785#295 XTOM-AS-JP - xTom11,776

AS7529#297 NETIRD - GMO NetIRD, Inc.10,752

AS18097#298 DCN - D.C.N. Corporation10,496

AS138968#299 RAINBOWIDC-AS-AP - rainbow network limited10,240

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