AS7018 63.194.144.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409663.194.144.0/2463.194.145.0/2463.194.146.0/2463.194.147.0/2463.194.148.0/2463.194.149.0/2463.194.150.0/2463.194.151.0/2463.194.152.0/2463.194.153.0/2463.194.154.0/2463.194.155.0/2463.194.156.0/2463.194.157.0/2463.194.158.0/2463.194.159.0/24