AS63312 Community Financial System, Inc.

BUTTERNUT-ASN - Community Financial System, Inc. · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#16,300largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#69,747of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS63312 in ASN lookup Look up an IP in this network (24.235.5.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

24.235.5.0/24

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ASNNameIPv4 addresses

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AS63316#16301 CITY-OF-FOSTER-CITY - City of Foster City256

AS63336#16302 ADVENTIST-HEALTHCARE-MARYLAND - Adventist Healthcare256

AS63341#16303 ROKI-AMERICA - ROKI America Co., Ltd.256

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