Top 100 Third-Level Domain Names
Jan 2006

  7855436 res.rr.com                       850451 cust.bredbandsbolaget.se
  5832961 ipt.aol.com                      812326 pltn13.pacbell.net
  5702436 135.in-addr.arpa                 788706 rev.gaoland.net
  4787208 da.uu.net                        787957 access.telenet.be
  4059434 dip0.t-ipconnect.de              769228 vsnl.net.in
  3672344 abo.wanadoo.fr                   764066 asm.bellsouth.net
  3256787 dip.t-dialin.net                 759385 atlanta1.level3.net
  3256152 east.verizon.net                 753822 prod-infinitum.com.mx
  3221582 ocn.ne.jp                        725415 apol.com.tw
  3097498 cable.ntl.com                    702617 seed.net.tw
  3046754 ucom.ne.jp                       692762 adsl.proxad.net
  3018096 user.nortelnetworks.com          691960 dsl.telepac.pt
  2947022 dynamic.hinet.net                690705 rcsntx.swbell.net
  2895821 dion.ne.jp                       677662 chcgil.ameritech.net
  2877651 da.qwest.net                     672495 ip.alltel.net
  2642767 dyn.optonline.net                667107 client.mchsi.com
  2469630 dynamicip.rima-tde.net           665906 cable.mindspring.com
  1928099 client.comcast.net               657598 customer.algx.net
  1916640 staticip.rima-tde.net            657289 hkcable.com.hk
  1852065 pools.arcor-ip.net               636231 bchsia.telus.net
  1850357 home.ne.jp                       632784 dsl.cnc.net
  1796922 dsl-w.verizon.net                632769 chicago1.level3.net
  1626595 in-addr.btopenworld.com          604376 nj.comcast.net
  1607426 fbx.proxad.net                   591933 adsl.skynet.be
  1497073 us.xo.net                        591217 adsl.wanadoo.nl
  1433434 infoweb.ne.jp                    587949 so-net.ne.jp
  1428985 bigpond.net.au                   585728 client.insightbb.com
  1333366 plala.or.jp                      575608 hstntx.swbell.net
  1323475 cable.rogers.com                 575480 cust.bluewin.ch
  1309964 adsl.tpnet.pl                    571663 giga.net.tw
  1294551 not-set-yet.ntli.net             570094 ttnet.net.tr
  1269865 blueyonder.co.uk                 561233 dallas1.level3.net
  1201019 hinet-ip.hinet.net               557692 dyn.sprint-hsd.net
  1160027 user.auna.net                    546912 lv.cox.net
  1090724 client.dsl.net                   530793 pa.comcast.net
  1087667 broadband.ntl.com                529487 hr.cox.net
  1084058 client2.attbi.com                527302 customer.telia.com
  1049939 mesh.ad.jp                       525066 fs.fed.us
  1021280 biz.rr.com                       524025 cable.casema.nl
  1000523 lsan03.pacbell.net               515567 md.comcast.net
   968723 irvnca.pacbell.net               514717 bb.online.no
   968384 snfc21.pacbell.net               513812 asianet.co.th
   961561 telesp.net.br                    513279 internetdsl.tpnet.pl
   947291 dsl.as9105.com                   506784 boston1.level3.net
   930909 ph.cox.net                       505767 cincinnati1.level3.net
   913801 optusnet.com.au                  503326 ok.cox.net
   909639 mia.bellsouth.net                501957 ip.mcleodusa.net
   891132 adsl.uni2.es                     498999 adsl-dhcp.tele.dk
   880201 pol.co.uk                        496045 easynet.co.uk
   868208 brasiltelecom.net.br             493797 newyork1.level3.net