This page provides a way to enter your IPv4 or IPv6 network information and obtain information about the network block.

• Enter base IP (v4 or v6, optionally with /#): "; if ($ipmsg != "") { echo "
• $ipmsg\n"; } echo "
• Enter network mask or count (if not given above): "; if ($maskmsg != "") { echo "
• $maskmsg\n"; } echo "

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