AS7018 12.29.144.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.29.144.0/2412.29.145.0/2412.29.146.0/2412.29.147.0/2412.29.148.0/2412.29.149.0/2412.29.150.0/2412.29.151.0/24