AS13 140.155.120.0/21 CIDR and IP Range Summary.ASN: 13 - Headquarters USAISCHost Count: 2046Addressable IPs: 2048140.155.120.0/24140.155.121.0/24140.155.122.0/24140.155.123.0/24140.155.124.0/24140.155.125.0/24140.155.126.0/24140.155.127.0/24