AS11584 New York City Health & Hospitals Corporation

NYCHHC - New York City Health & Hospitals Corporation · registered in the United States

IPv4 addresses4,0962 prefixes · <0.001% of announced IPv4

Rank in United States#4,614largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#15,649of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS11584 in ASN lookup Look up an IP in this network (64.251.40.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

64.251.40.0/21
67.221.24.0/21

Other ASNs named New York City Health & Hospitals Corporation

1 other network uses the same organisation name; together with AS11584 they announce 8,192 IPv4 addresses.

ASNNameIPv4 addresses

AS46996NYCHHC - New York City Health & Hospitals Corporation US4,096

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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