AS4771 222.153.136.0/21 CIDR and IP Range Summary.ASN: 4771 - SPARKNZ Spark New Zealand Trading Ltd.Host Count: 2046Addressable IPs: 2048222.153.136.0/24222.153.137.0/24222.153.138.0/24222.153.139.0/24222.153.140.0/24222.153.141.0/24222.153.142.0/24222.153.143.0/24