AS7018 12.149.72.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.149.72.0/2412.149.73.0/2412.149.74.0/2412.149.75.0/2412.149.76.0/2412.149.77.0/2412.149.78.0/2412.149.79.0/24