Top 100 Third-Level Domain Names
Jan 2008

 15151544 res.rr.com                      1358701 virtua.com.br
 12875531 163data.com.cn                  1350270 adsl.alicedsl.de
  8875911 dip.t-dialin.net                1344517 asm.bellsouth.net
  8429572 dip0.t-ipconnect.de             1337295 ph.cox.net
  8241262 abo.wanadoo.fr                  1293991 ca.comcast.net
  7965001 business.telecomitalia.it       1231042 access.telenet.be
  6945588 prod-infinitum.com.mx           1175428 ma.comcast.net
  6060657 ocn.ne.jp                       1171198 isp.belgacom.be
  5925850 east.verizon.net                1143903 cust.bluewin.ch
  5832731 ipt.aol.com                     1140898 pa.comcast.net
  5638290 rev.gaoland.net                 1125966 fl.comcast.net
  4466577 ucom.ne.jp                      1113225 dhcp.embarqhsd.net
  4403767 dynamic.hinet.net               1111158 pol.co.uk
  4050505 dion.ne.jp                      1107326 client.mchsi.com
  4032608 retail.telecomitalia.it         1096493 red.bezeqint.net
  3674192 bigpond.net.au                  1083817 broadband.ntl.com
  3473547 cable.ntl.com                   1076726 dynamic.orange.es
  3280896 dynamicip.rima-tde.net          1048463 bb.sky.com
  3243017 fbx.proxad.net                  1046176 ip.alltel.net
  3202792 staticip.rima-tde.net           1040740 veloxzone.com.br
  3036282 user.nortelnetworks.com          992818 lsan03.pacbell.net
  2831717 dyn.optonline.net                986917 vsnl.net.in
  2640698 home.ne.jp                       976377 il.comcast.net
  2566259 dsl-w.verizon.net                975858 dhcp.insightbb.com
  2556666 user.ono.com                     975280 mc.videotron.ca
  2507551 plala.or.jp                      969615 irvnca.pacbell.net
  2223001 da.uu.net                        964140 snfc21.pacbell.net
  2191912 pools.arcor-ip.net               931730 internetdsl.tpnet.pl
  2180035 dynamic.qsc.de                   912074 lv.cox.net
  2100371 mesh.ad.jp                       895258 client.dsl.net
  2085261 infoweb.ne.jp                    888901 dsl.cantv.net
  2040619 dsl.as9105.com                   884584 irvnca.sbcglobal.net
  2019639 fios.verizon.net                 868659 sd.cox.net
  2008213 ttnet.net.tr                     854374 nj.comcast.net
  1965735 ppp.tiscali.fr                   851972 cust.bredbandsbolaget.se
  1831241 hinet-ip.hinet.net               838452 cm.vtr.net
  1812074 blueyonder.co.uk                 835430 telecom.net.ar
  1704940 da.qwest.net                     835197 speed.planet.nl
  1696853 optusnet.com.au                  825336 pltn13.sbcglobal.net
  1692181 dsl.bell.ca                      818775 pool.einsundeins.de
  1690325 telesp.net.br                    816519 adsl.wanadoo.nl
  1687731 cable.rogers.com                 809605 so-net.ne.jp
  1646675 135.in-addr.arpa                 808933 pltn13.pacbell.net
  1610758 biz.rr.com                       806445 tfn.net.tw
  1591988 brasiltelecom.net.br             798373 seed.net.tw
  1511381 us.xo.net                        794247 md.comcast.net
  1500089 adsl.tpnet.pl                    790439 mi.comcast.net
  1477959 in-addr.btopenworld.com          781992 apol.com.tw
  1415211 customer.algx.net                777162 ip.mcleodusa.net
  1385649 mia.bellsouth.net                775324 ptr.edu.ie