AS16638 199.197.152.0/21 CIDR and IP Range Summary.ASN: 16638 - Corning IncorporatedHost Count: 2046Addressable IPs: 2048199.197.152.0/24199.197.153.0/24199.197.154.0/24199.197.155.0/24199.197.156.0/24199.197.157.0/24199.197.158.0/24199.197.159.0/24