AS3549 217.156.192.0/21 CIDR and IP Range Summary.ASN: 3549 - Level 3 Parent LLCHost Count: 2046Addressable IPs: 2048217.156.192.0/24217.156.193.0/24217.156.194.0/24217.156.195.0/24217.156.196.0/24217.156.197.0/24217.156.198.0/24217.156.199.0/24