AS600 199.18.248.0/21 CIDR and IP Range Summary.ASN: 600 - OarnetHost Count: 2046Addressable IPs: 2048199.18.248.0/24199.18.249.0/24199.18.250.0/24199.18.251.0/24199.18.252.0/24199.18.253.0/24199.18.254.0/24199.18.255.0/24