AS10209 Japan HUB and Data Center

Synopsys-AS-JP-AP - Japan HUB and Data Center · registered in Japan

IPv4 addresses7682 prefixes · <0.001% of announced IPv4

Rank in Japan#569largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#43,719of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryJapan745 ASNs registered there

Open AS10209 in ASN lookup Look up an IP in this network (149.117.1.1) All networks in Japan

IPv4 prefixes

All 2 prefixes, in address order.

149.117.1.0/24
198.182.50.0/23

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS38074#566 SDCC-AS-AP - SDCC Japan-West Area768

AS63776#567 MERCARI-JP - Mercari, Inc.768

AS45679#568 TOMOCHA-NET - Tatsumi, Tomo768

AS24263#570 HONDA-NET - HONDA MOTOR Co., Ltd.768

AS24283#571 MIEDEN-NET - Mieden Co.,Ltd.768

AS24291#572 MITSUI-NW - MITSUI & CO., LTD.768

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