AS393456 170.4.160.0/21 CIDR and IP Range Summary.ASN: 393456 - United States Steel CorporationHost Count: 2046Addressable IPs: 2048170.4.160.0/24170.4.161.0/24170.4.162.0/24170.4.163.0/24170.4.164.0/24170.4.165.0/24170.4.166.0/24170.4.167.0/24