AS3356 8.28.8.0/21 CIDR and IP Range Summary.ASN: 3356 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 20488.28.8.0/248.28.9.0/248.28.10.0/248.28.11.0/248.28.12.0/248.28.13.0/248.28.14.0/248.28.15.0/24