Unusual WHM referrals

[Curious Too]

I have a customer who is seeing the referrals from WHM in his referrer log:

2002-05-20 00:00:45 https://erie.hosting.com:2087/scripts/command /links/GA/Harris/
2002-05-20 00:00:49 https://erie.hosting.com:2087/scripts/command /links/England/
2002-05-20 00:01:31 https://erie.hosting.com:2087/scripts/command /links/Canada/ON/Middlesex/
2002-05-20 00:02:03 https://erie.hosting.com:2087/scripts/command /links/index.html
2002-05-20 00:04:19 https://erie.hosting.com:2087/scripts/command /links/TN/
2002-05-20 00:05:10 https://erie.hosting.com:2087/scripts/command /links/TX/McMullen/
2002-05-20 00:05:44 https://erie.hosting.com:2087/scripts/command /links/
2002-05-20 00:05:54 https://erie.hosting.com:2087/scripts/command /links/SC/Spartanburg/
2002-05-20 00:06:57 https://erie.hosting.com:2087/scripts/command /links/index.html
2002-05-20 00:07:04 https://erie.hosting.com:2087/scripts/command /links/AR.html
2002-05-20 00:07:50 https://erie.hosting.com:2087/scripts/command /links/index.html
2002-05-20 00:09:14 https://erie.hosting.com:2087/scripts/command /links/Ireland/Meath/
2002-05-20 00:09:54 https://erie.hosting.com:2087/scripts/command /links/SD/Spink/


Any idea what process is causing this? It does not appear in his apache logs, he has a custom referrer log script that he uses.