AS4473 151.107.0.0/20 CIDR and IP Range Summary.ASN: 4473 - AT&T Corp.Host Count: 4094Addressable IPs: 4096151.107.0.0/24151.107.1.0/24151.107.2.0/24151.107.3.0/24151.107.4.0/24151.107.5.0/24151.107.6.0/24151.107.7.0/24151.107.8.0/24151.107.9.0/24151.107.10.0/24151.107.11.0/24151.107.12.0/24151.107.13.0/24151.107.14.0/24151.107.15.0/24