Detailed information about 204.131.56.0/21 ASN 209 - CENTURYLINK-US-LEGACY-QWEST Number of IPs: 2048 Number of Addressable Hosts: 2046 IP Subnets in 204.131.56.0/21204.131.56.0/24204.131.57.0/24204.131.58.0/24204.131.59.0/24204.131.60.0/24204.131.61.0/24204.131.62.0/24204.131.63.0/24