AS7018 74.251.192.0/19 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 8190Addressable IPs: 819274.251.192.0/2474.251.193.0/2474.251.194.0/2474.251.195.0/2474.251.196.0/2474.251.197.0/2474.251.198.0/2474.251.199.0/2474.251.200.0/2474.251.201.0/2474.251.202.0/2474.251.203.0/2474.251.204.0/2474.251.205.0/2474.251.206.0/2474.251.207.0/2474.251.208.0/2474.251.209.0/2474.251.210.0/2474.251.211.0/2474.251.212.0/2474.251.213.0/2474.251.214.0/2474.251.215.0/2474.251.216.0/2474.251.217.0/2474.251.218.0/2474.251.219.0/2474.251.220.0/2474.251.221.0/2474.251.222.0/2474.251.223.0/24