AS30029 57.138.64.0/20 CIDR and IP Range Summary.ASN: 30029 - Dobson Technologies - Transport and Telecom Solutions LLCHost Count: 4094Addressable IPs: 409657.138.64.0/2457.138.65.0/2457.138.66.0/2457.138.67.0/2457.138.68.0/2457.138.69.0/2457.138.70.0/2457.138.71.0/2457.138.72.0/2457.138.73.0/2457.138.74.0/2457.138.75.0/2457.138.76.0/2457.138.77.0/2457.138.78.0/2457.138.79.0/24