AS7018 63.207.8.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204863.207.8.0/2463.207.9.0/2463.207.10.0/2463.207.11.0/2463.207.12.0/2463.207.13.0/2463.207.14.0/2463.207.15.0/24