+[mirror names]
+au = Australia (AARNET)
+de-md = Germany (University of Magdeburg)
+de-v = Germany (Nikolaus Valentin Haenel, Vogtland)
+gr = Greece (Aristotle University of Thessaloniki)
+jp = Japan (Kiyotaka Nemoto)
+ua = Ukraine (Iaroslav Iurchenko)
+us-ca = USA-CA (Paul Ivanov, California)
+us-nh = USA-NH (Dartmouth College)
+us-tn = USA-TN (Vanderbilt)
+