AS17225 206.19.40.0/21 CIDR and IP Range Summary.ASN: 17225 - AT&T Enhanced Network ServicesHost Count: 2046Addressable IPs: 2048206.19.40.0/24206.19.41.0/24206.19.42.0/24206.19.43.0/24206.19.44.0/24206.19.45.0/24206.19.46.0/24206.19.47.0/24