AS7018 199.37.128.0/19 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 8190Addressable IPs: 8192199.37.128.0/24199.37.129.0/24199.37.130.0/24199.37.131.0/24199.37.132.0/24199.37.133.0/24199.37.134.0/24199.37.135.0/24199.37.136.0/24199.37.137.0/24199.37.138.0/24199.37.139.0/24199.37.140.0/24199.37.141.0/24199.37.142.0/24199.37.143.0/24199.37.144.0/24199.37.145.0/24199.37.146.0/24199.37.147.0/24199.37.148.0/24199.37.149.0/24199.37.150.0/24199.37.151.0/24199.37.152.0/24199.37.153.0/24199.37.154.0/24199.37.155.0/24199.37.156.0/24199.37.157.0/24199.37.158.0/24199.37.159.0/24