AS17645 202.136.168.0/21 CIDR and IP Range Summary.ASN: 17645 - NTT Singapore Pte LtdHost Count: 2046Addressable IPs: 2048202.136.168.0/24202.136.169.0/24202.136.170.0/24202.136.171.0/24202.136.172.0/24202.136.173.0/24202.136.174.0/24202.136.175.0/24