AS3356 212.3.248.0/21 CIDR and IP Range Summary.ASN: 3356 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 2048212.3.248.0/24212.3.249.0/24212.3.250.0/24212.3.251.0/24212.3.252.0/24212.3.253.0/24212.3.254.0/24212.3.255.0/24