AS398743 199.254.16.0/21 CIDR and IP Range Summary.ASN: 398743 - The Nemours FoundationHost Count: 2046Addressable IPs: 2048199.254.16.0/24199.254.17.0/24199.254.18.0/24199.254.19.0/24199.254.20.0/24199.254.21.0/24199.254.22.0/24199.254.23.0/24