AS63210 FC2 Inc

FC2-INC-2 - FC2 Inc · registered in the United States

IPv4 addresses3,0725 prefixes · <0.001% of announced IPv4

Rank in United States#5,276largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#18,442of 79,396 networks with IPv4

IPv6256 x /481 prefixes

CountryUnited States18,679 ASNs registered there

Open AS63210 in ASN lookup Look up an IP in this network (104.244.96.1) All networks in United States

IPv4 prefixes

All 5 prefixes, in address order.

104.244.96.0/22
199.48.208.0/22
199.116.176.0/24
199.116.178.0/23
208.71.104.0/24

IPv6 prefixes

All 1 prefix.

2605:2c40::/40

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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