Detailed information about 198.243.16.0/21 ASN 209 - CENTURYLINK-US-LEGACY-QWEST Number of IPs: 2048 Number of Addressable Hosts: 2046 IP Subnets in 198.243.16.0/21198.243.16.0/24198.243.17.0/24198.243.18.0/24198.243.19.0/24198.243.20.0/24198.243.21.0/24198.243.22.0/24198.243.23.0/24