AS13 6.49.240.0/20 CIDR and IP Range Summary.ASN: 13 - Headquarters USAISCHost Count: 4094Addressable IPs: 40966.49.240.0/246.49.241.0/246.49.242.0/246.49.243.0/246.49.244.0/246.49.245.0/246.49.246.0/246.49.247.0/246.49.248.0/246.49.249.0/246.49.250.0/246.49.251.0/246.49.252.0/246.49.253.0/246.49.254.0/246.49.255.0/24