| AT&T Enterprises, LLC | att.com | ISP | United States | 108,836,145 | 212 |
| CHINANET Guangdong province network | chinatelecom.com.cn | ISP | China | 101,692,350 | 2 |
| Verizon Business | verizon.com | ISP | United States | 90,508,776 | 247 |
| Comcast Cable Communications, LLC | comcast.com | ISP | United States | 68,615,382 | 58 |
| China Unicom Shandong province network | chinaunicom.cn | ISP | China | 67,394,170 | 28 |
| Charter Communications Inc | charter.com | ISP | United States | 53,972,216 | 167 |
| Level 3 Parent, LLC | lumen.com | ISP | United States | 47,444,338 | 5 |
| Korea Telecom | kt.com | ISP | South Korea | 47,361,196 | 14 |
| China Mobile Communications Corporation | chinamobile.com | ISP | China | 44,937,678 | 40 |
| Japan Nation-wide Network of Softbank Corp. | softbank.jp | ISP | Japan | 39,991,511 | 3 |
| Deutsche Telekom AG | telekom.com | ISP | Germany | 28,234,824 | 5 |
| China Telecom | chinatelecom.cn | ISP | China | 24,045,938 | 375 |
| TELEFÔNICA BRASIL S.A | telefonica.com.br | ISP | Brazil | 21,566,789 | 9 |
| Open Computer Network | ocn.ne.jp | ISP | Japan | 21,354,752 | 0 |
| Cogent Communications, LLC | cogentco.com | ISP | United States | 21,206,487 | 89 |
| Telecom Italia S.p.A. | telecomitalia.it | ISP | Italy | 17,805,691 | 8 |
| KDDI CORPORATION | kddi.com | ISP | Japan | 16,950,078 | 4 |
| Mercedes-Benz Group AG | mercedes-benz.com | ISP | Germany | 16,832,729 | 3 |
| SK Broadband Co Ltd | skbroadband.com | ISP | South Korea | 16,800,460 | 23 |
| T-Mobile USA, Inc. | t-mobile.com | ISP | United States | 15,713,162 | 12 |
| Uninet S.A. de C.V. | uninet.com.mx | ISP | Mexico | 15,524,141 | 8 |
| China TieTong Telecommunications Corporation | chinatietong.com | ISP | China | 14,911,078 | 1 |
| Societe Francaise Du Radiotelephone - SFR SA | alticefrance.com | ISP | France | 13,635,107 | 1 |
| Telstra Limited | telstra.com.au | ISP | Australia | 13,312,960 | 4 |
| Cox Communications Inc. | cox.com | ISP | United States | 12,400,158 | 12 |
| Bharti Airtel Limited | airtel.com | ISP | India | 12,376,658 | 22 |
| Claro NXT Telecomunicacoes Ltda | claro.com.br | ISP | Brazil | 12,024,744 | 4 |
| LG POWERCOMM | lguplus.co.kr | ISP | South Korea | 11,925,583 | 2 |
| Data Communication Business Group | hinet.net | ISP | Taiwan | 11,821,274 | 3 |
| British Telecommunications Limited | bt.net | ISP | United Kingdom | 10,706,306 | 6 |
| TELEFONICA DE ESPANA S.A.U. | telefonica.es | ISP | Spain | 10,443,147 | 2 |
| Verizon Business | frontier.com | ISP | United States | 10,129,683 | 2 |
| TIM S/A | tim.com.br | ISP | Brazil | 9,337,082 | 1 |
| LG DACOM Corporation | lguplus.com | ISP | South Korea | 8,643,929 | 1 |
| Free SAS | proxad.net | ISP | France | 8,612,725 | 3 |
| Maroc Telecom | iam.ma | ISP | Morocco | 8,372,143 | 3 |
| Telefonica Germany GmbH & Co.OHG | telefonica.de | ISP | Germany | 8,297,603 | 2 |
| Vodafone GmbH | vodafone.de | ISP | Germany | 8,237,075 | 1 |
| Virgin Media Limited | virginmedia.com | ISP | United Kingdom | 7,933,667 | 1 |
| PJSC Rostelecom | rt.ru | ISP | Russia | 7,568,007 | 120 |
| Telecom Egypt | te.eg | ISP | Egypt | 7,546,796 | 2 |
| Turk Telekomunikasyon Anonim Sirketi | turktelekom.com.tr | ISP | Turkey | 7,500,190 | 4 |
| Vietnam Posts and Telecommunications Group | vnpt.vn | ISP | Vietnam | 7,438,400 | 5 |
| HP Inc. | hp.com | ISP | United States | 7,278,133 | 64 |
| COMUNICACIÓN CELULAR S.A. COMCEL S.A. | claro.com.co | ISP | Colombia | 7,270,182 | 5 |
| SK Telecom | sktelecom.com | ISP | South Korea | 7,129,067 | 1 |
| Bouygues Telecom SA | bouyguestelecom.fr | ISP | France | 7,109,532 | 3 |
| Windstream Communications LLC | uniti.com | ISP | United States | 7,062,765 | 10 |
| Bell Canada | bell.ca | ISP | Canada | 7,036,666 | 20 |
| KPN B.V. | kpn.com | ISP | The Netherlands | 6,796,440 | 20 |
| WIND TRE S.P.A. | windtre.it | ISP | Italy | 6,794,213 | 1 |
| JCOM Co., Ltd. | jcom.co.jp | ISP | Japan | 6,674,307 | 10 |
| CenturyLink Communications, LLC | centurylink.com | ISP | United States | 6,657,540 | 102 |
| Sky UK Limited | sky.com | ISP | United Kingdom | 6,629,420 | 1 |
| NTT DOCOMO BUSINESS,Inc. | ntt.com | ISP | Japan | 6,313,529 | 22 |
| Telecom Argentina S.A. | telecom.com.ar | ISP | Argentina | 6,066,984 | 1 |
| Tele2 Sverige AB | tele2.com | ISP | Sweden | 6,047,738 | 9 |
| Telia Company AB | telia.se | ISP | Sweden | 5,985,431 | 1 |
| Saudi Telecom Company JSC | stc.com.sa | ISP | Saudi Arabia | 5,904,074 | 3 |
| Viettel Group | viettel.com.vn | ISP | Vietnam | 5,636,487 | 6 |
| OPTUS INTERNET - RETAIL | optus.net.au | ISP | Australia | 5,587,718 | 22 |
| Fastweb SpA | vodafone.it | ISP | Italy | 5,541,964 | 1 |
| Rogers Communications Canada Inc. | rogers.com | ISP | Canada | 5,532,580 | 22 |
| ETISALAT MISR | etisalat.com.eg | ISP | Egypt | 5,343,232 | 1 |
| Shaw Communications | shaw.ca | ISP | Canada | 5,269,621 | 1 |
| Japan nation-wide Network of SOFTBANK Corp. | softbank.co.jp | ISP | Japan | 5,252,352 | 4 |
| Telekom Deutschland GmbH | telekom.de | ISP | Germany | 4,959,820 | 13 |
| NTT America, Inc. | ntt.net | ISP | United States | 4,907,441 | 30 |
| Vodafone Data | vodafone.com | ISP | Egypt | 4,836,656 | 26 |
| Orange Polska Spolka Akcyjna | orange.pl | ISP | Poland | 4,825,946 | 3 |
| TDC Holding A/S | tdcgroup.com | ISP | Denmark | 4,768,166 | 1 |
| ARTERIA Networks Corporation | arteria-net.com | ISP | Japan | 4,741,963 | 2 |
| V tal | vtal.com | ISP | Brazil | 4,733,610 | 4 |
| TELUS Communications Inc. | telus.com | ISP | Canada | 4,728,165 | 15 |
| Telefonica de Argentina | movistar.com.ar | ISP | Argentina | 4,599,477 | 3 |
| Orange Espagne SA | orange.es | ISP | Spain | 4,352,415 | 1 |
| MTN SA | mtn.com | ISP | South Africa | 4,347,653 | 15 |
| Telecom Algeria | algerietelecom.dz | ISP | Algeria | 4,287,869 | 2 |
| Reliance Jio Infocomm Limited | jio.com | ISP | India | 4,197,996 | 2 |
| CLARO S.A. | embratel.com.br | ISP | Brazil | 4,084,498 | 1 |
| VODAFONE ESPANA S.A.U. | vodafone.es | ISP | Spain | 4,083,342 | 5 |
| Optimum Online | optimum.net | ISP | United States | 4,070,212 | 1 |
| Vodafone Libertel B.V. | vodafone.nl | ISP | The Netherlands | 4,024,590 | 1 |
| TalkTalk Communications Limited | pxc.co.uk | ISP | United Kingdom | 4,017,141 | 10 |
| Sony Network Communications Inc. | so-net.ne.jp | ISP | Japan | 3,826,713 | 1 |
| TM TECHNOLOGY SERVICES SDN. BHD. | tm.com.my | ISP | Malaysia | 3,789,027 | 5 |
| Telenor Norge AS | telenor.com | ISP | Norway | 3,763,433 | 1 |
| BIGLOBE Inc. | biglobe.co.jp | ISP | Japan | 3,680,191 | 2 |
| SURF B.V. | surf.nl | ISP | The Netherlands | 3,582,524 | 1 |
| NIB (National Internet Backbone) | bsnl.co.in | ISP | India | 3,582,248 | 1 |
| GTT Americas, LLC | gtt.net | ISP | United States | 3,557,155 | 55 |
| Safaricom Limited | safaricom.co.ke | ISP | Kenya | 3,447,788 | 2 |
| Elisa Oyj | elisa.fi | ISP | Finland | 3,417,821 | 6 |
| COLOMBIA TELECOMUNICACIONES S.A. ESP BIC | movistar.com.co | ISP | Colombia | 3,399,564 | 1 |
| Vodacom (Pty) Ltd. | vodacom.co.za | ISP | South Africa | 3,226,418 | 3 |
| EE Limited | ee.co.uk | ISP | United Kingdom | 3,179,993 | 3 |
| Vodafone Limited | vodafone.co.uk | ISP | United Kingdom | 3,178,335 | 15 |
| Pakistan Telecommuication company limited | ptcl.net | ISP | Pakistan | 3,094,532 | 4 |
| Far EasTone Telecommunication Co., Ltd. | fetnet.net | ISP | Taiwan | 3,090,105 | 3 |
| NTT DOCOMO,INC. | nttdocomo.co.jp | ISP | Japan | 3,054,800 | 1 |
| Odido Netherlands B.V. | odido.nl | ISP | The Netherlands | 2,984,803 | 7 |
| TATA Communications formerly VSNL is Leading ISP | tatacommunications.com | ISP | India | 2,947,066 | 15 |
| TELEFONICA VENEZOLANA, C.A. | telefonica.com | ISP | Venezuela | 2,942,403 | 10 |
| Fastweb SpA | fastweb.it | ISP | Italy | 2,918,518 | 3 |
| Dimension Data | dimensiondata.com | ISP | South Africa | 2,917,021 | 13 |
| Internet Initiative Japan Inc. | iij.ad.jp | ISP | Japan | 2,855,714 | 4 |
| CANTV Servicios, Venezuela | cantv.com.ve | ISP | Venezuela | 2,855,179 | 4 |
| OPTAGE Inc. | optage.co.jp | ISP | Japan | 2,829,841 | 2 |
| Etihad Etisalat, a joint stock company | mobily.com.sa | ISP | Saudi Arabia | 2,828,771 | 4 |
| Level 3 Parent, LLC | level3.com | ISP | United Kingdom | 2,802,052 | 25 |
| Google Fiber Inc. | gfiber.com | ISP | United States | 2,753,307 | 2 |
| Cell C (Pty) Ltd | cellc.co.za | ISP | South Africa | 2,752,512 | 2 |
| TELEFÓNICA CHILE S.A. | movistar.cl | ISP | Chile | 2,732,211 | 4 |
| Swisscom (Schweiz) AG | swisscom.com | ISP | Switzerland | 2,727,908 | 2 |
| Philippine Long Distance Telephone Company | pldt.com | ISP | Philippines | 2,702,782 | 1 |
| Mega Cable, S.A. de C.V. | megacable.com.mx | ISP | Mexico | 2,612,909 | 3 |
| Optimum | suddenlink.com | ISP | United States | 2,581,585 | 1 |
| Videotron Ltee | videotron.com | ISP | Canada | 2,580,048 | 6 |
| EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSC | emirates.net.ae | ISP | United Arab Emirates | 2,525,771 | 8 |
| Scaleway SAS | scaleway.com | ISP | France | 2,523,961 | 2 |
| UNE EPM TELECOMUNICACIONES S.A. | tigo.com.co | ISP | Colombia | 2,487,920 | 8 |
| A1 Telekom Austria AG | a1.net | ISP | Austria | 2,460,652 | 1 |
| Taiwan Fixed Network CO.,LTD. | taiwanmobile.com | ISP | Taiwan | 2,457,539 | 9 |
| OOREDOO TUNISIE SA | ooredoo.tn | ISP | Tunisia | 2,410,741 | 1 |
| MEDITELECOM | orange.ma | ISP | Morocco | 2,406,570 | 1 |
| JSC "ER-Telecom Holding" | ertelecom.ru | ISP | Russia | 2,395,346 | 37 |
| Mobile Communication Company of Iran PLC | mci.ir | ISP | Iran | 2,364,926 | 2 |
| Iran Telecommunication Company PJS | tci.ir | ISP | Iran | 2,350,637 | 2 |
| Telenor Sverige AB | telenor.se | ISP | Sweden | 2,333,105 | 4 |
| Ziggo Services B.V. | ziggo.nl | ISP | The Netherlands | 2,282,602 | 2 |
| Telenet BV | telenet.be | ISP | Belgium | 2,216,536 | 1 |
| CHT-Mobile business Group,Chunghwa | cht.com.tw | ISP | Taiwan | 2,205,105 | 9 |
| Ote SA (Hellenic Telecommunications Organisation) | ote.gr | ISP | Greece | 2,167,947 | 3 |
| VOCUS PTY LTD | vocus.com.au | ISP | Australia | 2,163,821 | 13 |
| Sudanese Mobile Telephone (ZAIN) Co Ltd | zain.com | ISP | Sudan | 2,146,948 | 8 |
| Television Internacional, S.A. de C.V. | izzi.mx | ISP | Mexico | 2,146,713 | 5 |
| MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A. | meo.pt | ISP | Portugal | 2,126,933 | 3 |
| Telenor A/S | telenor.dk | ISP | Denmark | 2,079,816 | 2 |
| PT Indosat Tbk | ioh.co.id | ISP | Indonesia | 2,064,467 | 2 |
| Telia Finland Oyj | telia.fi | ISP | Finland | 2,058,964 | 4 |
| True Internet Corporation Co. Ltd. | trueinternet.co.th | ISP | Thailand | 2,047,372 | 15 |
| iiNet Limited | iinet.net.au | ISP | Australia | 2,040,673 | 5 |
| P4 Sp. z o.o. | play.pl | ISP | Poland | 2,004,663 | 11 |
| Turkcell Iletisim Hizmetleri A.S | turkcell.com.tr | ISP | Turkey | 1,995,742 | 2 |
| Hong Kong Telecommunications (HKT) Limited Mass Internet | netvigator.com | ISP | Hong Kong | 1,973,704 | 1 |
| FreeBit Co., Ltd. | freebit.com | ISP | Japan | 1,964,988 | 1 |
| Telecom Personal Bs As | telecom.net.ar | ISP | Argentina | 1,960,448 | 0 |
| Wal-Mart Stores, Inc. | walmart.com | ISP | United States | 1,935,325 | 15 |
| NOS COMUNICACOES, S.A. | nos.pt | ISP | Portugal | 1,925,392 | 4 |
| Proximus NV | proximus.com | ISP | Belgium | 1,898,783 | 4 |
| Belgacom ISP SA/NV | belgacom.be | ISP | Belgium | 1,867,520 | 0 |
| Partner Communications Ltd. | partner.co.il | ISP | Israel | 1,866,100 | 2 |
| Chubu Telecommunications Co.,Inc. | ctc.co.jp | ISP | Japan | 1,856,620 | 1 |
| Sunrise GmbH | sunrise.ch | ISP | Switzerland | 1,844,058 | 2 |
| SURF B.V. | as1101.net | ISP | The Netherlands | 1,836,029 | 1 |
| Vodafone Data | vodafone.com.eg | ISP | Egypt | 1,799,950 | 1 |
| Vodafone Idea Ltd | vodafoneidea.com | ISP | India | 1,797,884 | 7 |
| Oriental Cable Network Co., Ltd. | ocn.net.cn | ISP | China | 1,784,317 | 1 |
| Colombia Móvil | millicom.com | ISP | Colombia | 1,759,328 | 4 |
| DIGI ROMANIA S.A. | digi.ro | ISP | Romania | 1,754,426 | 2 |
| LG HelloVision Corp. | lghellovision.net | ISP | South Korea | 1,748,981 | 18 |
| Brightspeed | brightspeed.com | ISP | United States | 1,728,493 | 2 |
| PT Telekomunikasi Indonesia | telin.net | ISP | Indonesia | 1,705,702 | 3 |
| TPG Internet Pty Ltd | tpgtelecom.com.au | ISP | Australia | 1,693,778 | 1 |
| TDS TELECOM | tdstelecom.com | ISP | United States | 1,691,931 | 9 |
| Bharti Airtel Limited | airtel.in | ISP | India | 1,691,644 | 2 |
| NIB (National Internet Backbone) | bsnl.in | ISP | India | 1,683,402 | 0 |
| PJSC "Vimpelcom" | corbina.net | ISP | Russia | 1,665,747 | 1 |
| Aircel Ltd. | aircel.co.in | ISP | India | 1,649,943 | 4 |
| Administracion Nacional de Telecomunicaciones | antel.com.uy | ISP | Uruguay | 1,633,058 | 3 |
| Netia SA | netia.pl | ISP | Poland | 1,628,610 | 1 |
| Telkom SA Ltd. | telkomsa.net | ISP | South Africa | 1,577,982 | 1 |
| PT. Telekomunikasi Selular (Telkomsel) Indonesia | telkomsel.com | ISP | Indonesia | 1,576,960 | 1 |
| RCN | astound.com | ISP | United States | 1,574,704 | 2 |
| Mediacom Communications Corp | mediacomcc.com | ISP | United States | 1,566,703 | 2 |
| VTR BANDA ANCHA S.A. | vtr.com | ISP | Chile | 1,563,784 | 1 |
| SPARK NEW ZEALAND TRADING LIMITED | spark.co.nz | ISP | New Zealand | 1,557,367 | 10 |
| HGC Global Communications Limited | hgc.com.hk | ISP | Hong Kong | 1,552,688 | 16 |
| InfoSphere (NTTPC Communications, Inc.) | nttpc.co.jp | ISP | Japan | 1,542,989 | 1 |
| Mahanagar Telephone Nigam Limited | bol.net.in | ISP | India | 1,540,095 | 2 |
| Magyar Telekom Plc. | telekom.hu | ISP | Hungary | 1,537,230 | 7 |
| DNA Oyj | dna.fi | ISP | Finland | 1,522,093 | 1 |
| MTS PJSC | mts.ru | ISP | Russia | 1,517,704 | 7 |
| Hong Kong Broadband Network Ltd | hkbn.net | ISP | Hong Kong | 1,467,812 | 3 |
| SOCIETE NATIONALE DES TELECOMMUNICATIONS (Tunisie Telecom) | tunisietelecom.tn | ISP | Tunisia | 1,466,874 | 2 |
| JSC Kazakhtelecom | telecom.kz | ISP | Kazakhstan | 1,463,413 | 4 |
| O2 Czech Republic, a.s. | o2.cz | ISP | Czechia | 1,446,518 | 10 |
| SEJONG NETWORKS | sejongnetworks.com | ISP | South Korea | 1,435,466 | 2 |
| INTEGRATEL PERÚ S.A.A. | telefonica.com.pe | ISP | Peru | 1,432,000 | 1 |
| NTT EAST, Inc. | ntt-me.co.jp | ISP | Japan | 1,416,390 | 2 |
| FPT Telecom Company | fpt.vn | ISP | Vietnam | 1,413,652 | 1 |
| Cellcom Fixed Line Communication L.P | cellcom.co.il | ISP | Israel | 1,413,526 | 1 |
| StarHub Internet Pte Ltd | starhub.com | ISP | Singapore | 1,406,976 | 10 |
| Cogeco Connexion Inc. | cogeco.com | ISP | Canada | 1,402,478 | 5 |
| PJSC "Vimpelcom" | beeline.ru | ISP | Russia | 1,396,101 | 34 |
| Wana Corporate | inwi.ma | ISP | Morocco | 1,390,128 | 2 |
| SingNet Pte Ltd | singnet.com.sg | ISP | Singapore | 1,386,788 | 3 |
| Zayo Bandwidth | zayo.com | ISP | United States | 1,374,411 | 49 |
| Allstream Business US, LLC | electriclightwave.com | ISP | United States | 1,368,033 | 1 |
| Superonline Iletisim Hizmetleri A.S. | superonline.net | ISP | Turkey | 1,364,991 | 1 |