AS7018 64.123.0.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409664.123.0.0/2464.123.1.0/2464.123.2.0/2464.123.3.0/2464.123.4.0/2464.123.5.0/2464.123.6.0/2464.123.7.0/2464.123.8.0/2464.123.9.0/2464.123.10.0/2464.123.11.0/2464.123.12.0/2464.123.13.0/2464.123.14.0/2464.123.15.0/24