AS20308 67.231.136.0/21 CIDR and IP Range Summary.ASN: 20308 - Startek USA Inc.Host Count: 2046Addressable IPs: 204867.231.136.0/2467.231.137.0/2467.231.138.0/2467.231.139.0/2467.231.140.0/2467.231.141.0/2467.231.142.0/2467.231.143.0/24