AS7018 12.104.248.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.104.248.0/2412.104.249.0/2412.104.250.0/2412.104.251.0/2412.104.252.0/2412.104.253.0/2412.104.254.0/2412.104.255.0/24