AS7018 63.194.128.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204863.194.128.0/2463.194.129.0/2463.194.130.0/2463.194.131.0/2463.194.132.0/2463.194.133.0/2463.194.134.0/2463.194.135.0/24