AS7018 63.241.152.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204863.241.152.0/2463.241.153.0/2463.241.154.0/2463.241.155.0/2463.241.156.0/2463.241.157.0/2463.241.158.0/2463.241.159.0/24