Top 100 Second-Level Domain Names
Jan 2002

  5300259 lucent.com                       457301 hp.com
  4403504 uu.net                           456455 ntli.net
  4223330 aol.com                          453198 uswest.net
  4016690 ne.jp                            452731 bellatlantic.net
  3442096 home.com                         444288 dialinx.net
  3034673 nortelnetworks.com               444260 rogers.com
  2924589 rr.com                           416783 edu.au
  1837951 t-dialin.net                     411177 adelphia.net
  1815602 attbi.com                        404953 ntl.com
  1748677 pacbell.net                      396448 telia.com
  1720590 hinet.net                        396270 airdata.net
  1495959 avaya.com                        389993 net24.it
  1474982 qwest.net                        366236 co.jp
  1268327 dialsprint.net                   361857 grid.net
  1239572 net.tw                           361247 btopenworld.com
  1202742 co.uk                            340408 edu.tw
  1158977 genuity2.net                     339675 ca.us
  1084015 ad.jp                            324185 videotron.ca
  1046357 ac.uk                            322825 algx.net
  1007169 optonline.net                    306823 com.hk
  1003372 att.net                          292100 tele.dk
   942409 net.au                           285231 com.ar
   914267 com.br                           281737 in-addr.arpa
   882174 splitrock.net                    271969 iol.it
   881789 dsl.net                          266037 chello.nl
   864572 swbell.net                       265835 tpnet.pl
   849266 mediaone.net                     260811 bredbandsbolaget.se
   790113 ans.net                          258829 af.mil
   779888 or.jp                            246734 starband.net
   764118 ac.jp                            244645 ameritech.net
   757139 net.mx                           243247 netvigator.com
   713157 telocity.com                     237117 rasserver.net
   692285 army.mil                         228990 rcn.com
   689994 com.au                           225223 3com.com
   679142 ttd.es                           214959 comcast.net
   652984 psi.net                          214359 mediaways.net
   650458 libero.it                        211364 flashcom.net
   641937 prserv.net                       207389 airbridge.net
   639857 cnc.net                          205841 telenet.be
   635391 navy.mil                         203117 a2000.nl
   630798 level3.net                       198831 planet.nl
   616476 gtei.net                         197510 ne.kr
   610239 bellsouth.net                    196114 ctinets.com
   605091 sympatico.ca                     196061 gov.au
   590065 shawcable.net                    191702 hsacorp.net
   589033 wanadoo.fr                       184774 cgocable.net
   580292 net.br                           182651 sprintbbd.net
   522195 criticalpath.net                 181993 speakeasy.net
   515659 mindspring.com                   181869 il.us
   494456 t-ipconnect.de                   181032 mn.us