AS7018 63.192.128.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409663.192.128.0/2463.192.129.0/2463.192.130.0/2463.192.131.0/2463.192.132.0/2463.192.133.0/2463.192.134.0/2463.192.135.0/2463.192.136.0/2463.192.137.0/2463.192.138.0/2463.192.139.0/2463.192.140.0/2463.192.141.0/2463.192.142.0/2463.192.143.0/24