AS13 160.140.248.0/21 CIDR and IP Range Summary.ASN: 13 - Headquarters USAISCHost Count: 2046Addressable IPs: 2048160.140.248.0/24160.140.249.0/24160.140.250.0/24160.140.251.0/24160.140.252.0/24160.140.253.0/24160.140.254.0/24160.140.255.0/24