AS7018 12.45.16.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.45.16.0/2412.45.17.0/2412.45.18.0/2412.45.19.0/2412.45.20.0/2412.45.21.0/2412.45.22.0/2412.45.23.0/2412.45.24.0/2412.45.25.0/2412.45.26.0/2412.45.27.0/2412.45.28.0/2412.45.29.0/2412.45.30.0/2412.45.31.0/24