AS30383 198.208.136.0/21 CIDR and IP Range Summary.ASN: 30383 - General Motors LLCHost Count: 2046Addressable IPs: 2048198.208.136.0/24198.208.137.0/24198.208.138.0/24198.208.139.0/24198.208.140.0/24198.208.141.0/24198.208.142.0/24198.208.143.0/24