AS7018 66.127.128.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409666.127.128.0/2466.127.129.0/2466.127.130.0/2466.127.131.0/2466.127.132.0/2466.127.133.0/2466.127.134.0/2466.127.135.0/2466.127.136.0/2466.127.137.0/2466.127.138.0/2466.127.139.0/2466.127.140.0/2466.127.141.0/2466.127.142.0/2466.127.143.0/24