AS23633 Niigata Communication Service

LOCAL-IX - Niigata Communication Service · registered in Japan

IPv4 addresses2,0481 prefixes · <0.001% of announced IPv4

Rank in Japan#462largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#23,003of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryJapan745 ASNs registered there

Open AS23633 in ASN lookup Look up an IP in this network (202.59.144.1) All networks in Japan

IPv4 prefixes

All 1 prefix, in address order.

202.59.144.0/21

Other ASNs named Niigata Communication Service

1 other network uses the same organisation name; together with AS23633 they announce 29,696 IPv4 addresses.

ASNNameIPv4 addresses

AS9601SHIBATA - Niigata Communication Service JP27,648

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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