AS51469 31.171.216.0/21 CIDR and IP Range Summary.ASN: 51469 - Petiak System Co JSCHost Count: 2046Addressable IPs: 204831.171.216.0/2431.171.217.0/2431.171.218.0/2431.171.219.0/2431.171.220.0/2431.171.221.0/2431.171.222.0/2431.171.223.0/24