AS7018 98.73.144.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204898.73.144.0/2498.73.145.0/2498.73.146.0/2498.73.147.0/2498.73.148.0/2498.73.149.0/2498.73.150.0/2498.73.151.0/24