AS7018 207.135.192.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 4096207.135.192.0/24207.135.193.0/24207.135.194.0/24207.135.195.0/24207.135.196.0/24207.135.197.0/24207.135.198.0/24207.135.199.0/24207.135.200.0/24207.135.201.0/24207.135.202.0/24207.135.203.0/24207.135.204.0/24207.135.205.0/24207.135.206.0/24207.135.207.0/24