AS7018 68.252.128.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409668.252.128.0/2468.252.129.0/2468.252.130.0/2468.252.131.0/2468.252.132.0/2468.252.133.0/2468.252.134.0/2468.252.135.0/2468.252.136.0/2468.252.137.0/2468.252.138.0/2468.252.139.0/2468.252.140.0/2468.252.141.0/2468.252.142.0/2468.252.143.0/24