AS4771 122.57.248.0/21 CIDR and IP Range Summary.ASN: 4771 - SPARKNZ Spark New Zealand Trading Ltd.Host Count: 2046Addressable IPs: 2048122.57.248.0/24122.57.249.0/24122.57.250.0/24122.57.251.0/24122.57.252.0/24122.57.253.0/24122.57.254.0/24122.57.255.0/24