AS7018 71.146.240.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409671.146.240.0/2471.146.241.0/2471.146.242.0/2471.146.243.0/2471.146.244.0/2471.146.245.0/2471.146.246.0/2471.146.247.0/2471.146.248.0/2471.146.249.0/2471.146.250.0/2471.146.251.0/2471.146.252.0/2471.146.253.0/2471.146.254.0/2471.146.255.0/24