AS17693 YAMATO SYSTEM DEVELOPMENT CO., LTD.

NEKONET - YAMATO SYSTEM DEVELOPMENT CO., LTD. · registered in Japan

IPv4 addresses7,1684 prefixes · <0.001% of announced IPv4

Rank in Japan#344largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#11,387of 79,396 networks with IPv4

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

CountryJapan745 ASNs registered there

Open AS17693 in ASN lookup Look up an IP in this network (103.2.24.1) All networks in Japan

IPv4 prefixes

All 4 prefixes, in address order.

103.2.24.0/22
202.130.60.0/22
218.40.0.0/20
219.100.32.0/22

IPv6 prefixes

All 1 prefix.

2400:7b00::/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