AS33717 66.171.120.0/21 CIDR and IP Range Summary.ASN: 33717 - Chunghwa Telecom Global IncHost Count: 2046Addressable IPs: 204866.171.120.0/2466.171.121.0/2466.171.122.0/2466.171.123.0/2466.171.124.0/2466.171.125.0/2466.171.126.0/2466.171.127.0/24