AS7018 74.172.96.0/19 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 8190Addressable IPs: 819274.172.96.0/2474.172.97.0/2474.172.98.0/2474.172.99.0/2474.172.100.0/2474.172.101.0/2474.172.102.0/2474.172.103.0/2474.172.104.0/2474.172.105.0/2474.172.106.0/2474.172.107.0/2474.172.108.0/2474.172.109.0/2474.172.110.0/2474.172.111.0/2474.172.112.0/2474.172.113.0/2474.172.114.0/2474.172.115.0/2474.172.116.0/2474.172.117.0/2474.172.118.0/2474.172.119.0/2474.172.120.0/2474.172.121.0/2474.172.122.0/2474.172.123.0/2474.172.124.0/2474.172.125.0/2474.172.126.0/2474.172.127.0/24