AS7018 12.129.8.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.129.8.0/2412.129.9.0/2412.129.10.0/2412.129.11.0/2412.129.12.0/2412.129.13.0/2412.129.14.0/2412.129.15.0/24