AS7018 12.40.0.0/19 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 8190Addressable IPs: 819212.40.0.0/2412.40.1.0/2412.40.2.0/2412.40.3.0/2412.40.4.0/2412.40.5.0/2412.40.6.0/2412.40.7.0/2412.40.8.0/2412.40.9.0/2412.40.10.0/2412.40.11.0/2412.40.12.0/2412.40.13.0/2412.40.14.0/2412.40.15.0/2412.40.16.0/2412.40.17.0/2412.40.18.0/2412.40.19.0/2412.40.20.0/2412.40.21.0/2412.40.22.0/2412.40.23.0/2412.40.24.0/2412.40.25.0/2412.40.26.0/2412.40.27.0/2412.40.28.0/2412.40.29.0/2412.40.30.0/2412.40.31.0/24