AS703 203.15.160.0/21 CIDR and IP Range Summary.ASN: 703 - UUNETHost Count: 2046Addressable IPs: 2048203.15.160.0/24203.15.161.0/24203.15.162.0/24203.15.163.0/24203.15.164.0/24203.15.165.0/24203.15.166.0/24203.15.167.0/24