AS600 199.18.192.0/21 CIDR and IP Range Summary.ASN: 600 - OarnetHost Count: 2046Addressable IPs: 2048199.18.192.0/24199.18.193.0/24199.18.194.0/24199.18.195.0/24199.18.196.0/24199.18.197.0/24199.18.198.0/24199.18.199.0/24