AS7018 129.37.128.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 2048129.37.128.0/24129.37.129.0/24129.37.130.0/24129.37.131.0/24129.37.132.0/24129.37.133.0/24129.37.134.0/24129.37.135.0/24