AS1239 173.128.0.0/12 CIDR and IP Range Summary.ASN: 1239 - SprintHost Count: 1048574Addressable IPs: 1048576173.128.0.0/16173.129.0.0/16173.130.0.0/16173.131.0.0/16173.132.0.0/16173.133.0.0/16173.134.0.0/16173.135.0.0/16173.136.0.0/16173.137.0.0/16173.138.0.0/16173.139.0.0/16173.140.0.0/16173.141.0.0/16173.142.0.0/16173.143.0.0/16