AS13 144.101.16.0/20 CIDR and IP Range Summary.ASN: 13 - Headquarters USAISCHost Count: 4094Addressable IPs: 4096144.101.16.0/24144.101.17.0/24144.101.18.0/24144.101.19.0/24144.101.20.0/24144.101.21.0/24144.101.22.0/24144.101.23.0/24144.101.24.0/24144.101.25.0/24144.101.26.0/24144.101.27.0/24144.101.28.0/24144.101.29.0/24144.101.30.0/24144.101.31.0/24