AS7018 12.193.248.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.193.248.0/2412.193.249.0/2412.193.250.0/2412.193.251.0/2412.193.252.0/2412.193.253.0/2412.193.254.0/2412.193.255.0/24