AS7018 74.168.0.0/19 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 8190Addressable IPs: 819274.168.0.0/2474.168.1.0/2474.168.2.0/2474.168.3.0/2474.168.4.0/2474.168.5.0/2474.168.6.0/2474.168.7.0/2474.168.8.0/2474.168.9.0/2474.168.10.0/2474.168.11.0/2474.168.12.0/2474.168.13.0/2474.168.14.0/2474.168.15.0/2474.168.16.0/2474.168.17.0/2474.168.18.0/2474.168.19.0/2474.168.20.0/2474.168.21.0/2474.168.22.0/2474.168.23.0/2474.168.24.0/2474.168.25.0/2474.168.26.0/2474.168.27.0/2474.168.28.0/2474.168.29.0/2474.168.30.0/2474.168.31.0/24