AS16966 206.19.184.0/21 CIDR and IP Range Summary.ASN: 16966 - AT&T Corp.Host Count: 2046Addressable IPs: 2048206.19.184.0/24206.19.185.0/24206.19.186.0/24206.19.187.0/24206.19.188.0/24206.19.189.0/24206.19.190.0/24206.19.191.0/24