AS11584 67.221.24.0/21 CIDR and IP Range Summary.ASN: 11584 - New York City Health & Hospitals CorporationHost Count: 2046Addressable IPs: 204867.221.24.0/2467.221.25.0/2467.221.26.0/2467.221.27.0/2467.221.28.0/2467.221.29.0/2467.221.30.0/2467.221.31.0/24