Sage Journals currently supports IP version 4 (IPv4). IP version 6 (IPv6) addresses are not supported. 

Only public IP addresses can be registered. The following private IP addresses are not supported: 

• 10.0.0.0 - 10.255.255.255
• 172.16.0.0 - 172.31.255.255
• 192.168.0.0 - 192.168.255.255

If you wish to make any changes to your current IPs please contact Global.IPUpdates <IPUpdates@sagepub.com>