AS7018 12.49.16.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.49.16.0/2412.49.17.0/2412.49.18.0/2412.49.19.0/2412.49.20.0/2412.49.21.0/2412.49.22.0/2412.49.23.0/24