Detailed information about 203.13.0.0/20 WhatIsMyIP.com® » ASN » 18055 » 203.13.0.0/20 ASN 18055 - Department of Human Services Number of IPs: 4096 Number of Addressable Hosts: 4094 IP Subnets in 203.13.0.0/20203.13.0.0/24203.13.1.0/24203.13.2.0/24203.13.3.0/24203.13.4.0/24203.13.5.0/24203.13.6.0/24203.13.7.0/24203.13.8.0/24203.13.9.0/24203.13.10.0/24203.13.11.0/24203.13.12.0/24203.13.13.0/24203.13.14.0/24203.13.15.0/24