Metronet NETBLK-CMN-IPV4-CIDR-01 (NET-199-27-248-0-1) 199.27.248.0 - 199.27.255.255 INFRACRITICAL CINER-3-199-27-254-224-27 (NET-199-27-254-224-1) 199.27.254.224 - 199.27.254.255