AS20286 American College of Cardiology

AMER-COLLEGE-OF-CARDIOLOGY-WASHINGTONDC - American College of Cardiology · registered in the United States

IPv4 addresses5122 prefixes · <0.001% of announced IPv4

Rank in United States#10,965largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#50,222of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS20286 in ASN lookup Look up an IP in this network (199.74.213.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

199.74.213.0/24
216.51.37.0/24

Other ASNs named American College of Cardiology

1 other network uses the same organisation name; together with AS20286 they announce 768 IPv4 addresses.

ASNNameIPv4 addresses

AS62779AMER-COLLEGE-OF-CARDIOLOGY-HOSTING1 - American College of Cardiology US256

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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