AS7018 12.151.248.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.151.248.0/2412.151.249.0/2412.151.250.0/2412.151.251.0/2412.151.252.0/2412.151.253.0/2412.151.254.0/2412.151.255.0/24