[MSDN Library June 1998] Ping (97.9591836734694%)

MSDN Library Visual Studio 6.0 > Windows Resource Kits > Windows NT Server 4.0 Resource Kit > Windows NT Server Resource Kit - Supplement 2 > Troubleshooting PPTP on Microsoft Clients > Troubleshooting PPTP on a Windows NT-based PPTP Client

[MSDN Library June 1998] Ping (97.0332577475435%)

MSDN Library Visual Studio 6.0 > Windows Resource Kits > Windows NT Server 4.0 Resource Kit > Windows NT Server Resource Kit - Supplement 2 > Troubleshooting PPTP on Microsoft Clients > Troubleshooting PPTP on a Windows 95-based PPTP Client

[MSDN Library June 1998] ping (42.8494229670188%)

MSDN Library Visual Studio 6.0 > Windows Resource Kits > Windows NT Server 4.0 Resource Kit > Windows NT Server Networking Guide > Appendix A - TCP/IP Utilities Reference

[MSDN Library June 1998] Ping (40.1745386501484%)

MSDN Library Visual Studio 6.0 > Windows Resource Kits > Windows 95 Resource Kit > Appendix A Command-Line Commands Summary > TCP/IP Utilities

[MSDN Library June 1998] ping (38.7329931972789%)

MSDN Library Visual Studio 6.0 > Windows Resource Kits > Windows NT 3.51 Resource Kit > Windows NT Resource Kit Volume 2: WINNT 3.5 Networking > TCP/IP Utilities Reference