AS10137 203.99.120.0/21 CIDR and IP Range Summary.ASN: 10137 - Patrakom Internet Service ProviderHost Count: 2046Addressable IPs: 2048203.99.120.0/24203.99.121.0/24203.99.122.0/24203.99.123.0/24203.99.124.0/24203.99.125.0/24203.99.126.0/24203.99.127.0/24