AS10012 Rakuten Mobile, Inc.

FUSION - Rakuten Mobile, Inc. · registered in Japan

IPv4 addresses20,4804 prefixes · <0.001% of announced IPv4

Rank in Japan#244largest network in JP by IPv4 space, of 724 · 0.01% of JP

Rank worldwide#6,047of 79,396 networks with IPv4

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

CountryJapan745 ASNs registered there

Open AS10012 in ASN lookup Look up an IP in this network (61.114.160.1) All networks in Japan

IPv4 prefixes

All 4 prefixes, in address order.

61.114.160.0/20
61.213.224.0/20
202.176.32.0/19
219.105.160.0/20

IPv6 prefixes

All 1 prefix.

2400:5100::/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