AS7018 63.192.184.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204863.192.184.0/2463.192.185.0/2463.192.186.0/2463.192.187.0/2463.192.188.0/2463.192.189.0/2463.192.190.0/2463.192.191.0/24