AS198912 57.191.0.0/21 CIDR and IP Range Summary.ASN: 198912 - Societe Internationale de Telecommunications AeronautiquesHost Count: 2046Addressable IPs: 204857.191.0.0/2457.191.1.0/2457.191.2.0/2457.191.3.0/2457.191.4.0/2457.191.5.0/2457.191.6.0/2457.191.7.0/24