AS600 199.18.48.0/21 CIDR and IP Range Summary.ASN: 600 - OarnetHost Count: 2046Addressable IPs: 2048199.18.48.0/24199.18.49.0/24199.18.50.0/24199.18.51.0/24199.18.52.0/24199.18.53.0/24199.18.54.0/24199.18.55.0/24