AS7018 76.253.208.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409676.253.208.0/2476.253.209.0/2476.253.210.0/2476.253.211.0/2476.253.212.0/2476.253.213.0/2476.253.214.0/2476.253.215.0/2476.253.216.0/2476.253.217.0/2476.253.218.0/2476.253.219.0/2476.253.220.0/2476.253.221.0/2476.253.222.0/2476.253.223.0/24