AS17937 NIKKEI ADVANCED SYSTEMS INC.

NDMC - NIKKEI ADVANCED SYSTEMS INC. · registered in Japan

IPv4 addresses5,3763 prefixes · <0.001% of announced IPv4

Rank in Japan#372largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#13,020of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryJapan745 ASNs registered there

Open AS17937 in ASN lookup Look up an IP in this network (115.187.92.1) All networks in Japan

IPv4 prefixes

All 3 prefixes, in address order.

115.187.92.0/22
202.26.187.0/24
218.216.16.0/20

IPv6 prefixes

All 1 prefix.

2404:cb00::/32

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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