Top 100 Third-Level Domain Names
Jan 2004

  5505168 ipt.aol.com                      454810 apol.com.tw
  5439694 135.in-addr.arpa                 446066 so-net.ne.jp
  4105044 da.uu.net                        440750 client.mchsi.com
  3304423 hinet-ip.hinet.net               431969 mc.videotron.ca
  3020181 user.nortelnetworks.com          426126 ip.alltel.net
  2933215 da.qwest.net                     398957 bchsia.telus.net
  2520320 client.attbi.com                 392869 mi.comcast.net
  2473255 dip.t-dialin.net                 380400 optusnet.com.au
  2366543 client.comcast.net               379831 md.comcast.net
  2287155 pooles.rima-tde.net              365724 rcsntx.swbell.net
  2094284 not-set-yet.ntli.net             362877 pa.comcast.net
  1854920 dyn.optonline.net                346510 odn.ne.jp
  1555764 client2.attbi.com                344758 ok.cox.net
  1518397 ocn.ne.jp                        339799 tampabay.rr.com
  1297500 us.xo.net                        336414 sd.cox.net
  1246973 in-addr.btopenworld.com          329197 zaq.ne.jp
  1097030 abo.wanadoo.fr                   328119 dialup.ans.net
  1092707 client.dsl.net                   327918 chcgil.ameritech.net
  1081532 cable.ntl.com                    323607 gen.twtelecom.net
  1029080 blueyonder.co.uk                 322120 nyc.rr.com
   955992 lsan03.pacbell.net               319754 lv.cox.net
   888551 infoweb.ne.jp                    316103 cable.rcn.com
   860599 usen.ad.jp                       311296 client.insightbb.com
   850583 dion.ne.jp                       300735 hstntx.swbell.net
   848058 snfc21.pacbell.net               300166 odn.ad.jp
   819690 dip0.t-ipconnect.de              294498 brasiltelecom.net.br
   814003 cable.rogers.com                 281903 nw.nuvox.net
   762568 ip.nltree.nl                     274959 dsl.speakeasy.net
   694904 adsl.skynet.be                   272926 us.prserv.net
   682705 plala.or.jp                      271312 dial.bluewin.ch
   651191 east.verizon.net                 262034 houston.rr.com
   641954 home.ne.jp                       259330 cust.bredbandsbolaget.se
   638431 dsl.cnc.net                      258930 tfn.net.tw
   603251 customer.algx.net                256477 prodigy.net.mx
   599530 biz.rr.com                       256315 sndg02.pacbell.net
   580137 telesp.net.br                    252751 cfl.rr.com
   558413 ip.mcleodusa.net                 252435 vie.surfer.at
   545578 broadband.ntl.com                251436 k12.ca.us
   541710 dial-access.att.net              248072 lsanca1.dsl-verizon.net
   540306 seed.net.tw                      244433 asm.bellsouth.net
   520806 mesh.ad.jp                       244155 sntc01.pacbell.net
   504795 bigpond.net.au                   242495 sdi.tpnet.pl
   483935 giga.net.tw                      237771 mia.bellsouth.net
   483035 dsl.att.net                      234804 mi.chartermi.net
   480120 customer.telia.com               231961 dialup.mindspring.com
   479580 pol.co.uk                        229753 abhsia.telus.net
   465736 ph.cox.net                       228759 home.cgocable.net
   464265 hkcable.com.hk                   227227 dip1.t-ipconnect.de
   459858 cable.mindspring.com             227152 wi.charter.com
   456986 nj.comcast.net                   226451 dynamic.covad.net