IP Whois
CERFnet CERFNET-BLK-206 (NET-206-16-0-0-1) 206.16.0.0 - 206.19.255.255 CI - NIC Inc. SID-10476 ATTWH-206-16-21-0-24-1102084230 (NET-206-16-21-0-1) 206.16.21.0 - 206.16.21.255