Just curious as to why a server would appear multiple times?

ie:

Exported Metaserver List

  Automatically Generated on: Saturday, Jul 1 2000

  Server Name (Address)                      Ping Time       Type
------------------------------------------.---------------.--------------
  aegis.web4ecom.com                      |     0ms Ping  |  Bronco
  continuum.us.netrek.org                 |     0ms Ping  |  Bronco
  yayislife.dhs.org                       |     0ms Ping  |  Chaos
  yayislife.wox.org                       |     0ms Ping  |  Chaos
  yayislife.dhs.org                       |     0ms Ping  |  Bronco
  yayislife.dhs.org                       |     0ms Ping  |  Chaos
  newbie.psychosis.net                    |     0ms Ping  |  Bronco
  kirk.hal-pc.org                         |     0ms Ping  |  Bronco
  death.rps.net                           |     0ms Ping  |  Bronco
  realm.umd.edu                           |     0ms Ping  |  Bronco
  hp06.ee.ualberta.ca                     |     0ms Ping  |  Paradise
  paradise-lost.kulua.org                 |     0ms Ping  |  Paradise
  paradise.games.uk.demon.net             |     0ms Ping  |  Paradise
  tanya.ucsd.edu                          |     0ms Ping  |  Paradise
  netrek.unh.edu                          |     0ms Ping  |  Bronco
  soda.csua.berkeley.edu                  |     0ms Ping  |  Bronco
  chaos.eic.net                           |     0ms Ping  |  Chaos
  australia.netrek.org                    |     0ms Ping  |  Bronco
  europa.informatik.uni-frankfurt.de      |     0ms Ping  |  Paradise
  hockey.netrek.org                       |     0ms Ping  |  Hockey
  hockey.psychosis.net                    |     0ms Ping  |  Hockey
  mit.netrek.org                          |     0ms Ping  |  Bronco
  spamburger.openface.ca                  |     0ms Ping  |  Bronco
  se.netrek.org                           |     0ms Ping  |  Bronco
  netrek.syd.att.net.au                   |     0ms Ping  |  Bronco