AS2386 63.240.184.0/21 CIDR and IP Range Summary.ASN: 2386 - AT&T Data Communications ServicesHost Count: 2046Addressable IPs: 204863.240.184.0/2463.240.185.0/2463.240.186.0/2463.240.187.0/2463.240.188.0/2463.240.189.0/2463.240.190.0/2463.240.191.0/24