AS7018 12.149.16.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.149.16.0/2412.149.17.0/2412.149.18.0/2412.149.19.0/2412.149.20.0/2412.149.21.0/2412.149.22.0/2412.149.23.0/2412.149.24.0/2412.149.25.0/2412.149.26.0/2412.149.27.0/2412.149.28.0/2412.149.29.0/2412.149.30.0/2412.149.31.0/24