AS7018 63.192.8.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204863.192.8.0/2463.192.9.0/2463.192.10.0/2463.192.11.0/2463.192.12.0/2463.192.13.0/2463.192.14.0/2463.192.15.0/24