AS25993 144.60.16.0/20 CIDR and IP Range Summary.ASN: 25993 - AT&T Labs Inc.Host Count: 4094Addressable IPs: 4096144.60.16.0/24144.60.17.0/24144.60.18.0/24144.60.19.0/24144.60.20.0/24144.60.21.0/24144.60.22.0/24144.60.23.0/24144.60.24.0/24144.60.25.0/24144.60.26.0/24144.60.27.0/24144.60.28.0/24144.60.29.0/24144.60.30.0/24144.60.31.0/24