AS3356 216.142.40.0/21 CIDR and IP Range Summary.ASN: 3356 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 2048216.142.40.0/24216.142.41.0/24216.142.42.0/24216.142.43.0/24216.142.44.0/24216.142.45.0/24216.142.46.0/24216.142.47.0/24