AS25993 144.60.0.0/21 CIDR and IP Range Summary.ASN: 25993 - AT&T Labs Inc.Host Count: 2046Addressable IPs: 2048144.60.0.0/24144.60.1.0/24144.60.2.0/24144.60.3.0/24144.60.4.0/24144.60.5.0/24144.60.6.0/24144.60.7.0/24