AS7018 74.237.192.0/19 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 8190Addressable IPs: 819274.237.192.0/2474.237.193.0/2474.237.194.0/2474.237.195.0/2474.237.196.0/2474.237.197.0/2474.237.198.0/2474.237.199.0/2474.237.200.0/2474.237.201.0/2474.237.202.0/2474.237.203.0/2474.237.204.0/2474.237.205.0/2474.237.206.0/2474.237.207.0/2474.237.208.0/2474.237.209.0/2474.237.210.0/2474.237.211.0/2474.237.212.0/2474.237.213.0/2474.237.214.0/2474.237.215.0/2474.237.216.0/2474.237.217.0/2474.237.218.0/2474.237.219.0/2474.237.220.0/2474.237.221.0/2474.237.222.0/2474.237.223.0/24