AS198912 57.191.200.0/21 CIDR and IP Range Summary.ASN: 198912 - Societe Internationale de Telecommunications AeronautiquesHost Count: 2046Addressable IPs: 204857.191.200.0/2457.191.201.0/2457.191.202.0/2457.191.203.0/2457.191.204.0/2457.191.205.0/2457.191.206.0/2457.191.207.0/24