Top ~600 reverse DNS names observed from May to October 2012
To get raw lists of the data go to Download. For an explanation of what this data is and how it was obtained, see Paper.

Count Sub-Subdomain Subdomain Domain TLD
14768455dynamic163datacomcn
7462828ppp-bbdionnejp
5819627early-registrationofsurfnetinvalid
5682699dynamicttnetcomtr
5192460ftthucomnejp
4528693revhomenejp
3532590applalaorjp
3441667netcablerogerscom
3242229tsspanda-worldnejp
3062842uservivozapcombr
2800649userveloxzonecombr
2760537adsl-pooljlccpttnetcn
2679340dsltelespnetbr
2559460dynuseronocom
2509981nswoptusnetcomau
2384281pppinfowebnejp
2286888umtsvodacomcoza
2251169dynamicdslas9105com
2034523109revsfrnet
202399293revsfrnet
1978872hsd1cacomcastnet
1957179apso-netnejp
1941003ptrusxonet
1865867vicoptusnetcomau
1861226tikpanda-worldnejp
1842174dynamicipwindstreamnet
1791137hsd1flcomcastnet
1738606socalresrrcom
1721908neoplusadsltpnetpl
1678500apyournetnejp
1652918hsd1pacomcastnet
1628740adsl-dynispbelgacombe
1622670pppdionnejp
1579369dyndslcantvnet
1563093phphcoxnet
1537426nycresrrcom
1523582tokyoocnnejp
1493310poole-mobilenejp
1484912hsd1ilcomcastnet
1476016diastaticqwestnet
1381579imtptachikawamoperanet
1321048ncresrrcom
1297469hsd1wacomcastnet
1230821dslbrasiltelecomnetbr
1214908hsd1macomcastnet
1208079staabobboxfr
1206401custdslvodafoneit
1185137sdsdcoxnet
1174768bstnmacomcastnet
1134869dynamicgprspluspl
1117891hostgvtnetbr
1080552hsd1micomcastnet
1068688chcgilcomcastnet
1066466hsd1njcomcastnet
106432877revsfrnet
1054066dslpltn13sbcglobalnet
105253578revsfrnet
1049477lsancadsl-wverizonnet
103568879revsfrnet
103217986revsfrnet
1031858phlapacomcastnet
1030598lvlvcoxnet
1016626custt-mobilecouk
1008032osakaocnnejp
1004554nycmnyfiosverizonnet
10028053gclaronetbr
994882dynamicseednettw
939734atlagacomcastnet
937148dynamic3bbcoth
923016adslgvtnetbr
920534isptimbrasilcombr
918618hsd1mdcomcastnet
916656dyniinetnetau
902646snjscacomcastnet
900008dsllsan03pacbellnet
898190dslsnfc21pacbellnet
888692lightspeedirvncasbcglobalnet
883225dynamicdslteledk
875326adslnett-comhr
868149dslchcgilsbcglobalnet
859390hsd1gacomcastnet
854003tssaccess-internetnejp
847501jetstreamxtraconz
838619custdslteletuit
834925stlsmochartercom
826075dynamicapolcomtw
822366genericrevtelcelnetve
811033hsd1cocomcastnet
808096dnvrcocomcastnet
807428customertdatabrasilnetbr
807216neoresrrcom
806886nycmnyeastverizonnet
790386washdcfiosverizonnet
786956dslirvncasbcglobalnet
781627wiresrrcom
777924ptldorcomcastnet
766721lightspeedcicrilsbcglobalnet
765486nplsflcomcastnet
760523hrhrcoxnet
756196wsldmicomcastnet
753576lsancafiosverizonnet
747902dslirvncapacbellnet
741336hsd1tncomcastnet
723290carolinaresrrcom
713821hsd1vacomcastnet
704764chtbigpondnetau
693389aichiocnnejp
692657kanagawaocnnejp
692654dsllsan03sbcglobalnet
677834dial1atlanta1level3net
673515pppasahi-netorjp
673068statictpgicomau
672686staticipwindstreamnet
659786dslpltn13pacbellnet
655546lightspeedhstntxsbcglobalnet
655051nwrknjfiosverizonnet
651692adslhighwaytelekomat
648815adslanteldatanetuy
648013hsd1incomcastnet
645340bbnetvisionnetil
632066centralbizrrcom
630779westbizrrcom
627314118adsl-poolsxcn
608973staticttnetcomtr
606881lightspeedrcsntxsbcglobalnet
606592hsd1txcomcastnet
605384dslrcsntxsbcglobalnet
601800ococcoxnet
599056cabprimanetar
596580dslemhrilsbcglobalnet
595366scresrrcom
587619lightspeedsntccasbcglobalnet
586167umtsdynamict-mobilepl
585958riricoxnet
582042phlapafiosverizonnet
581175dslrcsntxswbellnet
577483dyncableonlinecommx
575206sipasmbellsouthnet
573391speedytelkomnetid
568072pitbpacomcastnet
565992triadresrrcom
555295woobigpondnetau
552007okokcoxnet
547614dslhstntxsbcglobalnet
546547alxnvacomcastnet
545322dynamicisptelekomrs
544020bstnmafiosverizonnet
543980tampflfiosverizonnet
537752dial1chicago1level3net
536722chabigpondnetau
536399dslchcgilameritechnet
531708txresrrcom
520583lonbigpondnetau
51514984revsfrnet
51465088revsfrnet
509324dcdccoxnet
505574kenbigpondnetau
504933183adsl-poolsxcn
50242895dynamicjazzteles
501449ipfsfedus
495372dynamickbronetcomtw
495228wirelessdyndreicom
493678dslhstntxswbellnet
490630statictfnnettw
489394hsd1mncomcastnet
488948kskscoxnet
488467swbizrrcom
486230sebizrrcom
485234saitamaocnnejp
484994columbusresrrcom
484062fukuokaocnnejp
483161phlapaeastverizonnet
481769hokkaidoocnnejp
481662nwrknjeastverizonnet
481251staticuseronocom
480832dial1dallas1level3net
479721twcnyresrrcom
479130brbrcoxnet
478080hsd1orcomcastnet
474966dslsfldmisbcglobalnet
473752winbigpondnetau
47057687dynamicjazzteles
465013ppp11odnadjp
461307dial1cincinnati1level3net
459921tkymeshadjp
455229nysbizrrcom
451339chibaocnnejp
447995dsldynforthnetgr
447194dslpolcouk
442808nycapresrrcom
435787revip2asianetcoth
435343vicbigpondnetau
43369337dynamicjazzteles
432869lightspeedtukrgasbcglobalnet
431490adsl2staticversatelnl
429122dynabobboxfr
424995dial1boston1level3net
424058bstnmaeastverizonnet
422461lightspeedmiamflsbcglobalnet
421569dedintelignetcombr
419014sipmiabellsouthnet
413604dynamicclienteseuskalteles
412183omomcoxnet
409152austinresrrcom
408165hyogoocnnejp
406120wohresrrcom
404166dynetbnetco
394538dslsndg02pacbellnet
390296hsd1ctcomcastnet
387865maineresrrcom
386451dialupumcnetua
382793rochesterresrrcom
381413sipbctbellsouthnet
37578414tataidccoin
375769dial1houston1level3net
372713ny325eastverizonnet
371479dial1philadelphia1level3net
370949washdceastverizonnet
370496nonocoxnet
363979dynamictfnnettw
360387dial1losangeles1level3net
359427dial1denver1level3net
353356lightspeedlivnmisbcglobalnet
352703tikaccess-internetnejp
348812dllstxfiosverizonnet
341664staticasianetcoth
340942chi01dsl-wverizonnet
336478dial1newyork1level3net
333053cinciresrrcom
332985mobilepooltelekomhu
332169dial1weehawken1level3net
331352bltmmdfiosverizonnet
329622custvfnetnz
327079hsd1utcomcastnet
324888hawaiiresrrcom
323699dsldyntelnornet
322546pnatcoxnet
321170ddnstwcnyrrcom
320449midsouthbizrrcom
317367pppwakwaknejp
315588satxresrrcom
315385kcresrrcom
315354lightspeedstlsmosbcglobalnet
313657xd-dynamicctbcnetsupercombr
313140ddnsnycaprrcom
313074staticvsnlnetin
312041tampfldsl-wverizonnet
311900124adsl-poolsxcn
310912dial1seattle1level3net
306935dial1washington2level3net
304965dsldynamictdsnet
304759user3gveloxzonecombr
303381nycbizrrcom
300392ecresrrcom
299003nswbigpondnetau
297797shizuokaocnnejp
297323oxfrmachartercom
297316dslsntc01pacbellnet
294644hsd1nhcomcastnet
292185kyotoocnnejp
291199dslwlfrctsbcglobalnet
290786dial1orlando1level3net
290292in-addrzencouk
290166buffaloresrrcom
288343lightspeedfrokcasbcglobalnet
287430dslscrm01pacbellnet
285967dynamic-rangetttcoth
285883unknownm1comsg
284952hiroshimaocnnejp
283209sanresrrcom
283016ipdbrasiltelecomnetbr
282535lightspeedwlfrctsbcglobalnet
282237dial1stlouis1level3net
278672dial1detroit1level3net
278100dial1sanjose1level3net
277455boseastverizonnet
276881dial-uptelespnetbr
276508lightspeedsndgcasbcglobalnet
275256staticctbctelecomcombr
274690dedicatedstatictdsnet
273383staticcusttelenorcom
273127dslipltinsbcglobalnet
270993qldoptusnetcomau
270188newresrrcom
267923dslscrm01sbcglobalnet
264943dsldodocomau
261111dial1miami1level3net
259779dslstlsmoswbellnet
258613staticapolcomtw
256489eu-west-1computeamazonawscom
256361lightspeediplsinsbcglobalnet
255268dslmwebcoza
254881ebrasiltelecomnetbr
252692cptmwebcoza
252113dial-updslsiolnet
251393iasbredbandteliacom
251373188dynamicjazzteles
25022449tataidccoin
249541bltmmdeastverizonnet
248924hsdbsasknetskca
24767960adsl-poolsxcn
246487jcsntnchartercom
245652dslsndg02sbcglobalnet
245490bycymichartercom
242840static012netil
241881dslsfldmiameritechnet
239956welbigpondnetau
239419hvcresrrcom
237421dynamicsealltelenet
236303staetbnetco
236147lightspeedbcvlohsbcglobalnet
236078dialbrasiltelecomnetbr
235282tuokcoxnet
234594ddnsrochesterrrcom
228741dialuppolcouk
226991ibarakiocnnejp
224495kngmeshadjp
224026dial1phoenix1level3net
223236kybpanda-worldnejp
220688aldlmichartercom
219382dynamicintelnetnetgt
218981mtpkcachartercom
216871dslbcvlohsbcglobalnet
216268ppp15odnnejp
216226dsldynamicsonicnet
214554gwntgachartercom
212538gaatcoxnet
210091oskmeshadjp
208226stnyresrrcom
208147staticavantelnetmx
205356reseastverizonnet
204641hyg1eonetnejp
203964ipnetiacompl
203782voipmainerrcom
203527wolvcablevirginmediacom
203201niigataocnnejp
203188osk2eonetnejp
201712mdfdorchartercom
200656mdsnwichartercom
200345kgpttnchartercom
198735ledsalchartercom
198658dynamicpppoemgtsby
197152miyagiocnnejp
196631ftwotxchartercom
196548dslpooltelekomhu
196469hsd1nmcomcastnet
196259pitbpaeastverizonnet
195873arpahbcnccn
195114sgylcablevirginmediacom
194905nwrkeastverizonnet
194636piebigpondnetau
193158dkiptdcnet
193066sbsdcoxnet
192861phileastverizonnet
192735poolsstaticspcsdnsnet
192330aicmeshadjp
191229lightspeedmilwwisbcglobalnet
190276cabledynamickbtelecomnet
190192lightspeedsnantxsbcglobalnet
190012adsl-staticispbelgacombe
189348dynmovilnetcomve
189131kyt1eonetnejp
188904dial1baltimore1level3net
187947staticlinkcomeg
187278gnvlscchartercom
187101us-west-1computeamazonawscom
184373netruncytanetcomcy
18419680revsfrnet
184133dslklmzmisbcglobalnet
184060aztwcablevirginmediacom
183525okayamaocnnejp
183016croycablevirginmediacom
182886gifuocnnejp
182502pitbpafiosverizonnet
181435staticturktelekomcomtr
181253dslstlsmosbcglobalnet
180901perrcablevirginmediacom
180827pppprinnejp
180531sttlwadsl-wverizonnet
179349userdialtelemarnetbr
179181dynamicisadslcoza
178150linksetelianet
177449catvpooltelekomhu
177225ec-userreversedionnejp
177164haricablevirginmediacom
174812sctnpaeastverizonnet
174547adsldynamictotbbnet
174372middynsuddenlinknet
174347rochmnchartercom
173653ap-northeast-1computeamazonawscom
173291cmdnnjfiosverizonnet
172999lightspeedwepbflsbcglobalnet
171413flibigpondnetau
171063lightspeedausttxsbcglobalnet
170419astinettelkomnetid
17039715-1cablevirginmediacom
169832dynihugconz
168124gunmaocnnejp
167617euclwichartercom
167182dial1sandiego1level3net
166911clientpikaranejp
166191stmmeshadjp
165694dial1sanfrancisco1level3net
165627barncablevirginmediacom
165346ddnsbuffalorrcom
165185okinawaocnnejp
164400staticseednettw
163430osk3eonetnejp
163148dslmilwwisbcglobalnet
162814iponderwijscasematelecomnl
162468lfbrcoxnet
161513tampabayresrrcom
161457adsl-pooljxchinaunicomcom
160715stxresrrcom
1602884-2cablevirginmediacom
160173lightspeedmssnkssbcglobalnet
159357dslokcyoksbcglobalnet
158694fukushimaocnnejp
158150lightspeedbrhmalsbcglobalnet
157516flsvectantnejp
157243cable012netil
157226secpppniftycom
157059staticmetrorednetmx
156802dslwotnohsbcglobalnet
156163rvsdcachartercom
156157dynamicso-netnettw
156057staticexetelcomau
156035hsd1mscomcastnet
156009cpevividwirelessnetau
155811hsd1decomcastnet
154812evrtwafrontiernetnet
154607dynamictotalbbnettw
1543736-1cablevirginmediacom
15413212-3cablevirginmediacom
153604dial1stamford1level3net
153415ishikawaocnnejp
15337510-1cablevirginmediacom
153314spbgscchartercom
152426dslsnantxswbellnet
151195renonvchartercom
150073dslskt2casbcglobalnet
149603knowcablevirginmediacom
149568baslcablevirginmediacom
149478dslksc2mosbcglobalnet
149397ddnsstnyrrcom
149363prvdrifiosverizonnet
148000hckrncchartercom
147231siresrrcom
146381rgvresrrcom
146283cmdnnjeastverizonnet
145770qldbigpondnetau
145545mieocnnejp
14538814-2cablevirginmediacom
145300dialupoptusnetcomau
145182kagoshimaocnnejp
145118hyg2eonetnejp
144817dslokcyokswbellnet
143398rcmdvafiosverizonnet
1430951-3cablevirginmediacom
142423dial1tampa1level3net
142090tochigiocnnejp
14182011viesurferat
141510sjc-cadslcncnet
141239tcphcoxnet
140962nrflvaeastverizonnet
1402452-4cablevirginmediacom
140034eoeaccessnejp
139938hsd1alcomcastnet
139517dslfrs2casbcglobalnet
138937ehimeocnnejp
138175ftwyinfrontiernetnet
137899lightspeeddybhflsbcglobalnet
137785lightspeednsvltnsbcglobalnet
137386kumamotoocnnejp
137141ksokcoxnet
137013dynamictbcnetnettw
136833shg1eonetnejp
136513naganoocnnejp
135973tispstatictdsnet
135334chbmeshadjp
134991userstarcatnejp
134919rnhrcoxnet
134654bvtnorfrontiernetnet
134561hsd1vtcomcastnet
133512mobiletelecomconz
132740dslemhrilameritechnet
132436static-delhivsnlnetin
132246meliprimusnetau
131576nycmny83staticcovadnet
131529dslsnantxsbcglobalnet
131166dslipltinameritechnet
131061knwcwachartercom
130369insightresrrcom
130286atwdynsuddenlinknet
130238dslnesmanetsa
1301426-2cablevirginmediacom
129598staticdslas9105com
12958891revsfrnet
129366staticccggtelefonicanet
129158elpresrrcom
128633dynamicxdsl-lineinodeat
128219yamaguchiocnnejp
128116dynamiclscnettw
127732revip8asianetcoth
127333staticso-netnettw
127183nwtnctchartercom
126880revip7asianetcoth
126749lightspeedjcvlflsbcglobalnet
126596bbonetelespnetbr
126377revip5asianetcoth
126187bflonyeastverizonnet
125718dbnmwebcoza
125641221adsl-poolsxcn
125628revip6asianetcoth
125384us-west-2computeamazonawscom
125073dslausttxswbellnet
125015zjdynamiccndatacom
124739jhbmwebcoza
124711mhsimedosdmil
123722lsanca54staticcovadnet
123698dcresrrcom
123330ipakershus-fkommuneno
123268lightspeedchrlncsbcglobalnet
123191fvkscoxnet
122536dyncodetelnetdo
121705sydiprimusnetau
121160staticcablevirginmediacom
121037slidlachartercom
120973lightspeednworlasbcglobalnet
12072962revsfrnet
120535staticgvtnetbr
120449chtnwvfrontiernetnet
120280premtmnsnetau
119966waybigpondnetau
11938011-1cablevirginmediacom
119122hotresrrcom
1185895-1cablevirginmediacom
1181532-1cablevirginmediacom
117689fkomeshadjp
11742813-3cablevirginmediacom
117009wakayamaocnnejp
116802lightspeedclmbohsbcglobalnet
116348lightspeedfrsncasbcglobalnet
11616112-2cablevirginmediacom
115550iwateocnnejp
115431dslltrkarsbcglobalnet
115258pacablercncom
115164ereaccessnejp
115124dynluxdslptlu
114705lightspeedgnvlscsbcglobalnet
114373iptsinghuaeducn
114320nebresrrcom
114300static-mumbaivsnlnetin
113724sipbnabellsouthnet
113619stcdmnchartercom
113305stptwichartercom
11326977dynamicmundo-rcom
113267hsd1wvcomcastnet
113189lightspeedmmphtnsbcglobalnet
113134mcatcoxnet
11277891dynamicmundo-rcom
112742hfahcndatacom
112713natbbdnainternetfi
112709sipmcobellsouthnet
111822nrflvafiosverizonnet
1114279-1cablevirginmediacom
111411trcymichartercom
1113084-4cablevirginmediacom
11122381revsfrnet
110617ap-southeast-1computeamazonawscom
1105523-1cablevirginmediacom
110295balteastverizonnet
110242dslmilwwiameritechnet
11015015-3cablevirginmediacom
109554hsd1dccomcastnet
108865staticreverseltdomainscom
108613abdhsuddenlinknet
108005hrbgpaeastverizonnet
107914sipcltbellsouthnet
106900sipjaxbellsouthnet
106834spfdmaeastverizonnet
106550lightspeedgdrpmisbcglobalnet
10631514-1cablevirginmediacom
10619589iplrtclt
10609710-2cablevirginmediacom
105734naraocnnejp
105669shigaocnnejp
105225sipmsybellsouthnet
105068sipjanbellsouthnet
1047723-3cablevirginmediacom
104757toyamaocnnejp
104186dslhrlntxsbcglobalnet
104146pitteastverizonnet
104004bchsiatelusnet
103724nagasakiocnnejp
10321311-2cablevirginmediacom
103059188revsfrnet
1028868-3cablevirginmediacom
102756dynamictsttnettt
102369stacodetelnetdo
102229oitaocnnejp
1018379-3cablevirginmediacom
101836gatecablevirginmediacom
101618sipbhmbellsouthnet
101432npgstasuddenlinknet
101407fdulwichartercom
100444dslzencouk
100392staticintelnetnetgt