AS7018 63.207.16.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409663.207.16.0/2463.207.17.0/2463.207.18.0/2463.207.19.0/2463.207.20.0/2463.207.21.0/2463.207.22.0/2463.207.23.0/2463.207.24.0/2463.207.25.0/2463.207.26.0/2463.207.27.0/2463.207.28.0/2463.207.29.0/2463.207.30.0/2463.207.31.0/24