AS7018 12.42.152.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.42.152.0/2412.42.153.0/2412.42.154.0/2412.42.155.0/2412.42.156.0/2412.42.157.0/2412.42.158.0/2412.42.159.0/24