AS7018 66.143.128.0/19 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 8190Addressable IPs: 819266.143.128.0/2466.143.129.0/2466.143.130.0/2466.143.131.0/2466.143.132.0/2466.143.133.0/2466.143.134.0/2466.143.135.0/2466.143.136.0/2466.143.137.0/2466.143.138.0/2466.143.139.0/2466.143.140.0/2466.143.141.0/2466.143.142.0/2466.143.143.0/2466.143.144.0/2466.143.145.0/2466.143.146.0/2466.143.147.0/2466.143.148.0/2466.143.149.0/2466.143.150.0/2466.143.151.0/2466.143.152.0/2466.143.153.0/2466.143.154.0/2466.143.155.0/2466.143.156.0/2466.143.157.0/2466.143.158.0/2466.143.159.0/24