AS7018 63.192.88.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204863.192.88.0/2463.192.89.0/2463.192.90.0/2463.192.91.0/2463.192.92.0/2463.192.93.0/2463.192.94.0/2463.192.95.0/24