AS1221 1.128.0.0/11 CIDR and IP Range Summary.ASN: 1221 - Asia Pacific Network Information CentreHost Count: 2097150Addressable IPs: 20971521.128.0.0/161.129.0.0/161.130.0.0/161.131.0.0/161.132.0.0/161.133.0.0/161.134.0.0/161.135.0.0/161.136.0.0/161.137.0.0/161.138.0.0/161.139.0.0/161.140.0.0/161.141.0.0/161.142.0.0/161.143.0.0/161.144.0.0/161.145.0.0/161.146.0.0/161.147.0.0/161.148.0.0/161.149.0.0/161.150.0.0/161.151.0.0/161.152.0.0/161.153.0.0/161.154.0.0/161.155.0.0/161.156.0.0/161.157.0.0/161.158.0.0/161.159.0.0/16