AS37989 203.123.48.0/22 CIDR and IP Range Summary.ASN: 37989 - DCS1-02-AS-AP DCS1 Pte Ltd at DC02Host Count: 1022Addressable IPs: 1024203.123.48.0/24203.123.49.0/24203.123.50.0/24203.123.51.0/24