AS23639 NTT Bizlink, Inc.

ntt-bizlink - NTT Bizlink, Inc. · registered in Japan

IPv4 addresses6,1444 prefixes · <0.001% of announced IPv4

Rank in Japan#356largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#12,172of 79,396 networks with IPv4

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

CountryJapan745 ASNs registered there

Open AS23639 in ASN lookup Look up an IP in this network (111.90.160.1) All networks in Japan

IPv4 prefixes

All 4 prefixes, in address order.

111.90.160.0/21
117.20.72.0/21
202.8.80.0/22
202.74.4.0/22

IPv6 prefixes

All 1 prefix.

2402:7a00::/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