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Geoff Huston APNIC Measuring ‘s Public DNS. How many of you have done this? And in the last few months did any of you switch it back off again?

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Presentation on theme: "Geoff Huston APNIC Measuring ‘s Public DNS. How many of you have done this? And in the last few months did any of you switch it back off again?"— Presentation transcript:

1 Geoff Huston APNIC Measuring ‘s Public DNS

2

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4 How many of you have done this? And in the last few months did any of you switch it back off again?

5 The Measurement Technique Three URLs: the good (DNSSEC signed) the bad (invalid DNSSEC signature) the control (no DNSSEC at all) And an online ad system to deliver the test to a large pseudo-random set of clients

6 The DNS Resolver Model

7 The Web Fetch Model

8 Matching Client to Resolver DNS Resolver DNS Resolver DNS Resolver DNS Resolver

9 Some Results Web + DNS query log processing 9 – 26 May 2013 Completed Test Count: 2,498,497

10 Who Used Google’s Public DNS in May 2013? Used Google’s Public DNS servers: 7.2% Used other resolvers: 92.8%

11 Who Used Google’s Public DNS in May 2013? Used Google’s Public DNS servers: 7.2% What we saw when resolving the badly DNSSEC- signed DNS name was that a number of clients interpreted the SERVFAIL response as a signal to try other configured resolvers. So perhaps we should split this count into the end users who use Google’s P-DNS service EXCLUSIVELY, and the end users who have added Google’s P-DNS service into the local list of resolvers

12 Who Used Google’s Public DNS in May 2013? Used Google’s Public DNS servers: 7.2% – Exclusively Used Google’s P-DNS: 5.3% – Used a mix of Google P-DNS + others: 1.9% Used other resolvers: 92.8%

13 Who Used Google’s Public DNS in May 2013? RankCCCount%_All%_Some%_NotDNSSEC%_All%_Some%_NoneCountry 1VN2578439.232.8157.97989096.772.111.11Vietnam 2JM141327.460.5072.0540891.670.258.09Jamaica 3GT172025.3511.1063.5519778.1721.830.00Guatemala 4BN41020.0036.1043.901788.245.885.88Brunei Darussalam 5ID5093518.975.4175.611233069.5511.4618.99Indonesia 6LA30018.677.3374.002286.369.094.55Lao People's Democratic Republic 7TR4781618.351.6480.01870593.283.303.42Turkey 8HN93118.1518.9062.947577.3322.670.00Honduras 9AZ697017.9331.2250.85101671.2626.771.97Azerbaijan 10TZ29716.1623.5760.271090.0010.000.00United Republic of Tanzania 11NI99216.0340.1243.8511193.694.501.80Nicaragua 12BO129515.9817.3066.7217157.8941.520.58Bolivia 13EG3471914.884.0081.12513786.479.623.91Egypt 14GH91214.696.6978.6212357.7213.8228.46Ghana 15PS277914.2538.9046.8538640.6759.330.00Occupied Palestinian Territory 16IT7648913.870.5385.60990398.091.030.88Italy 17DZ739713.1824.0062.8296382.1416.201.66Algeria 18BD71212.789.4177.815072.0012.0016.00Bangladesh 19MY3204112.072.1385.80340191.623.414.97Malaysia 20UA2512411.902.6885.42552019.551.9978.46Ukraine 21AL554711.485.3083.2245195.344.660.00Albania 22IQ535811.4610.6077.9461962.0421.4916.48Iraq 23FJ30811.043.2585.713100.000.000.00Fiji 24HT25510.9813.7375.291492.867.140.00Haiti 25PK623910.857.4281.7361980.7815.513.72Pakistan 26KE153810.7316.7872.507085.7114.290.00Kenya 27PA192410.190.6289.1914599.310.690.00Panama 28LY6529.970.7789.266595.383.081.54Libya 29CR19069.972.6887.369492.553.194.26Costa Rica 30MV2599.659.2781.082060.0030.0010.00Maldives 31BR1682539.442.4288.142409750.136.1943.69Brazil % of clients who appear to use Google’s DNS resolvers exclusively % of clients who appear to use Google’s DNS Servers and other local resolvers % of clients who appear not to use Google’s DNS Servers at all

14 Who Used Google’s Public DNS in May 2013? RankCCCount%_All%_Some%_NotDNSSEC%_All%_Some%_NoneCountry 1VN2578439.232.8157.97989096.772.111.11Vietnam 2JM141327.460.5072.0540891.670.258.09Jamaica 3GT172025.3511.1063.5519778.1721.830.00Guatemala 4BN41020.0036.1043.901788.245.885.88Brunei Darussalam 5ID5093518.975.4175.611233069.5511.4618.99Indonesia 6LA30018.677.3374.002286.369.094.55Lao People's Democratic Republic 7TR4781618.351.6480.01870593.283.303.42Turkey 8HN93118.1518.9062.947577.3322.670.00Honduras 9AZ697017.9331.2250.85101671.2626.771.97Azerbaijan 10TZ29716.1623.5760.271090.0010.000.00United Republic of Tanzania 11NI99216.0340.1243.8511193.694.501.80Nicaragua 12BO129515.9817.3066.7217157.8941.520.58Bolivia 13EG3471914.884.0081.12513786.479.623.91Egypt 14GH91214.696.6978.6212357.7213.8228.46Ghana 15PS277914.2538.9046.8538640.6759.330.00Occupied Palestinian Territory 16IT7648913.870.5385.60990398.091.030.88Italy 17DZ739713.1824.0062.8296382.1416.201.66Algeria 18BD71212.789.4177.815072.0012.0016.00Bangladesh 19MY3204112.072.1385.80340191.623.414.97Malaysia 20UA2512411.902.6885.42552019.551.9978.46Ukraine 21AL554711.485.3083.2245195.344.660.00Albania 22IQ535811.4610.6077.9461962.0421.4916.48Iraq 23FJ30811.043.2585.713100.000.000.00Fiji 24HT25510.9813.7375.291492.867.140.00Haiti 25PK623910.857.4281.7361980.7815.513.72Pakistan 26KE153810.7316.7872.507085.7114.290.00Kenya 27PA192410.190.6289.1914599.310.690.00Panama 28LY6529.970.7789.266595.383.081.54Libya 29CR19069.972.6887.369492.553.194.26Costa Rica 30MV2599.659.2781.082060.0030.0010.00Maldives 31BR1682539.442.4288.142409750.136.1943.69Brazil % of DNSSEC validating clients who appear to use Google’s DNS resolvers exclusively % of DNSSEC validating clients who appear to use Google’s DNS Servers and other local resolvers % of DNSSEC validating clients who appear not to use Google’s DNS Servers at all

15 Who Used Google’s Public DNS in May 2013? RankCCCount%_All%_Some%_NotDNSSEC%_All%_Some%_None Country 1VN2578439.232.8157.97989096.772.111.11Vietnam 2JM141327.460.5072.0540891.670.258.09Jamaica 3GT172025.3511.1063.5519778.1721.830.00Guatemala 4BN41020.0036.1043.901788.245.885.88Brunei Darussalam 5ID5093518.975.4175.611233069.5511.4618.99Indonesia 6LA30018.677.3374.002286.369.094.55Lao People's Democratic Republic 7TR4781618.351.6480.01870593.283.303.42Turkey 8HN93118.1518.9062.947577.3322.670.00Honduras 9AZ697017.9331.2250.85101671.2626.771.97Azerbaijan 10TZ29716.1623.5760.271090.0010.000.00United Republic of Tanzania 11NI99216.0340.1243.8511193.694.501.80Nicaragua 12BO129515.9817.3066.7217157.8941.520.58Bolivia 13EG3471914.884.0081.12513786.479.623.91Egypt 14GH91214.696.6978.6212357.7213.8228.46Ghana 15PS277914.2538.9046.8538640.6759.330.00Occupied Palestinian Territory 16IT7648913.870.5385.60990398.091.030.88Italy 17DZ739713.1824.0062.8296382.1416.201.66Algeria 18BD71212.789.4177.815072.0012.0016.00Bangladesh 19MY3204112.072.1385.80340191.623.414.97Malaysia 20UA2512411.902.6885.42552019.551.9978.46Ukraine 21AL554711.485.3083.2245195.344.660.00Albania 22IQ535811.4610.6077.9461962.0421.4916.48Iraq 23FJ30811.043.2585.713100.000.000.00Fiji 24HT25510.9813.7375.291492.867.140.00Haiti 25PK623910.857.4281.7361980.7815.513.72Pakistan 26KE153810.7316.7872.507085.7114.290.00Kenya 27PA192410.190.6289.1914599.310.690.00Panama 28LY6529.970.7789.266595.383.081.54Libya 29CR19069.972.6887.369492.553.194.26Costa Rica 30MV2599.659.2781.082060.0030.0010.00Maldives 31BR1682539.442.4288.142409750.136.1943.69Brazil

16 But then we got a little concerned about third parties sniffing the fumes from our data exhaust http://en.wikipedia.org/wiki/Edward_Snowden June 2013

17 Afterward June 2013

18 Who Used Google’s Public DNS in September 2013? RankCCCount%_All%_Some%_NotDNSSEC%_All%_Some%_None Country 1VN914044.372.8152.82357397.901.600.50Vietnam 2NG39631.5714.1454.292688.4611.540.00Nigeria 3GT94524.448.4767.0912164.4614.0521.49Guatemala 4AM33323.421.8074.776994.202.902.90Armenia 5AZ50721.1022.8856.029572.638.4218.95Azerbaijan 6BD162320.0910.3569.5613568.8924.446.67Bangladesh 7JM56619.962.6577.399695.834.170.00Jamaica 8HN59019.8319.8360.343992.317.690.00Honduras 9ID1529518.695.5875.74275783.905.9110.19Indonesia 10DZ696617.7335.5946.68120278.6220.800.58Algeria 11IQ98216.9012.1270.989845.9233.6720.41Iraq 12GH45916.5612.2071.243396.973.030.00Ghana 13PS78914.8315.5969.5817646.5931.8221.59Occupied Palestinian Territory 14TZ30514.4320.3365.251190.919.090.00United Republic of Tanzania 15TR4245612.911.8385.26467193.793.642.57Turkey 16MY1819012.133.0284.85178990.164.365.48Malaysia 17EG1187612.104.5783.33116193.206.460.34Egypt 18CR52211.302.3086.403390.919.090.00Costa Rica 19BR3499711.143.4085.46432360.339.1430.53Brazil 20IT2890911.120.9087.98360972.101.5226.38Italy 21UA580810.882.7486.38136420.092.4277.49Ukraine 22LB6519.3710.2980.347238.8927.7833.33Lebanon 23CM2618.4319.5472.033743.2440.5416.22Cameroon 24PA9688.161.5590.2968100.000.000.00Panama 25AL8588.162.2189.634795.742.132.13Albania 26KE8178.0811.1480.786460.9425.0014.06Kenya 27AR149817.943.0489.02106675.1410.1314.73Argentina 28CZ50997.923.4388.64158012.034.1883.80Czech Republic 29MK8027.860.5091.654190.240.009.76The former Yugoslav Republic of Macedonia 30UG3247.728.6483.642277.2722.730.00Uganda 31KZ6537.355.2187.444168.2931.710.00Kazakhstan

19 Who Turned Google OFF? Rank CC Delta OFF MAY% SEP % Country 1NI37.77%56.15%18.38%Nicaragua 2PS22.73%53.15%30.42%Occupied Palestinian Territory 3BO21.54%33.28%11.74%Bolivia 4BN10.27%56.10%45.83%Brunei Darussalam 5KE8.28%27.50%19.22%Kenya 6AL6.41%16.78%10.37%Albania 7LA6.36%26.00%19.64%Lao People's Democratic Republic 8MZ6.33%17.54%11.21%Mozambique 9PK6.18%18.27%12.09%Pakistan 10JM5.34%27.95%22.61%Jamaica 11TR5.25%19.99%14.74%Turkey 12AZ5.17%49.15%43.98%Azerbaijan 13TZ4.98%39.73%34.75%United Republic of Tanzania 14GT3.54%36.45%32.91%Guatemala 15BA3.17%9.05%5.88%Bosnia and Herzegovina 16SR2.59%5.09%2.50%Suriname 17IT2.38%14.40%12.02%Italy 18EG2.21%18.88%16.67%Egypt 19UG2.11%18.47%16.36%Uganda 20AF2.10%50.25%48.15%Afghanistan 21AO1.93%27.86%25.93%Angola 22JO1.92%5.37%3.45%Jordan 23SI1.82%6.25%4.43%Slovenia 24LY1.65%10.74%9.09%Libya 25JP1.56%3.74%2.18%Japan 26KG1.33%8.91%7.58%Kyrgyzstan 27PR1.25%11.61%10.36%Puerto Rico 28PA1.10%10.81%9.71%Panama 29TW1.07%6.35%5.28%Taiwan 30FJ0.99%14.29%13.30%Fiji % of users per country who reduced their use of Google’s Public DNS: May to September

20 Who Turned Google ON? RankCC Delta ON MAY% SEP%Country 1KH21.74%9.51%31.25%Cambodia 2TN18.71%4.32%23.03%Tunisia 3EU17.03%8.23%25.26%European Union 4DZ16.14%37.18%53.32%Algeria 5NG15.78%29.93%45.71%Nigeria 6AM15.15%10.08%25.23%Armenia 7MW14.40%24.75%39.15%Malawi 8AW9.13%2.84%11.97%Aruba 9BD8.25%22.19%30.44%Bangladesh 10LK8.21%3.75%11.96%Sri Lanka 11ZW7.63%22.15%29.78%Zimbabwe 12GH7.38%21.38%28.76%Ghana 13IQ6.96%22.06%29.02%Iraq 14MV6.59%18.92%25.51%Maldives 15BH5.63%7.97%13.60%Bahrain 16MM5.52%11.44%16.96%Myanmar 17PH5.25%7.01%12.26%Philippines 18VN5.15%42.03%47.18%Vietnam 19DO4.35%5.31%9.66%Dominican Republic 20AR4.03%6.95%10.98%Argentina 21SV4.02%4.59%8.61%El Salvador 22KZ3.85%8.71%12.56%Kazakhstan 23ET3.11%7.66%10.77%Ethiopia 24BW3.09%1.75%4.84%Botswana 25BR2.68%11.86%14.54%Brazil 26HN2.60%37.06%39.66%Honduras 27MD2.59%3.10%5.69%Republic of Moldova 28TT2.57%2.35%4.92%Trinidad and Tobago 29PY2.48%5.54%8.02%Paraguay 30TH2.47%10.40%12.87%Thailand % of users per country who increased their use of Google’s Public DNS: May to September

21 “It’s not me – it’s my ISP!” So lets look at the data again by origin AS rather than by country Which ISPs send most of their customer’s DNS queries to Google’s Public DNS?

22 “It’s not me – it’s my ISP!” RankASCount%All%Some%NotDNSSEC%All%Some%NoneASName 119783025599.220.390.391100.000.000.00BAKCELL-AS "Baksell LTD" LLC,AZ,Azerbaijan 219847169197.250.582.1766699.850.150.00LINKEM-AS Linkem spa,IT,Italy 33357642385.821.4212.7735799.720.280.00DIGICEL ASN-Digicel,JM,Jamaica 41516925580.7817.651.573100.000.000.00GOOGLE - Google Inc.,US,United States of America 52861531773.827.2618.9318899.470.530.00Televisao Cidade S/A,BR,Brazil 63532832469.754.0126.23771.4314.2914.29SK-DSIDATA DSi data s.r.o.,SK,Slovakia 73537830764.506.1929.323794.595.410.00SATFILM-AS Sat Film Sp. z o.o. i Wspolnicy Sp. k.,PL,Poland 83497735960.7237.601.674695.654.350.00PROCONO-AS PROCONO S.A.,ES,Spain 95945831460.515.4134.0819296.353.650.00PURELINE Pure Line Co.,IQ, Iraq 10704928748.4310.4541.119494.681.064.26Silica Networks Argentina S.A.,AR,Argentina 11458991384047.061.9550.99637397.851.051.10VNPT-AS-VN VNPT Corp,VN,Vietnam 121775447943.2232.7824.0115100.000.000.00EXCELL-AS Excellmedia,IN,India 132851298438.6250.3011.081181.829.099.09Cablemas Telecomunicaciones SA de CV,MX,Mexico 144554328738.3310.8050.8710198.021.980.00SCTV-AS-VN SaiGon Tourist cable Televition Company,VN,Vietnam 152661161537.5649.5912.8511863.5636.440.00COMCEL S.A.,CO,Colombia 167552359236.922.7060.38129196.902.320.77VIETEL-AS-AP Vietel Corporation,VN,Vietnam 175140741236.1740.0523.799163.7436.260.00MADA-AS Mada Alarab AS,PS,Occupied Palestinian Territory 1816960166735.099.6055.3151641.674.0754.26Cablevision Red, S.A de C.V.,MX,Mexico 191486844033.1817.7349.0913375.9419.554.51COPEL Telecom S.A.,BR,Brazil 202029929932.7837.7929.431989.4710.530.00Newcom Limited,GT,Guatemala 213429670932.4439.2128.3514696.583.420.00MILLENICOM-AS MILLENI.COM,DE,Germany 224149638332.384.7062.921788.2411.760.00RO-TVSAT-AS TV SAT 2002 SRL,RO,Romania 234230120432.0610.2257.7246260.8212.5526.62EMBRATEL-EMPRESA BRASILEIRA DE TELECOMUNICA??ES SA,BR,Brazil 242911982530.917.2761.8221498.601.400.00SERVIHOSTING-AS ServiHosting Networks S.L.,ES,Spain 252801528930.8013.4955.714297.622.380.00MERCO COMUNICACIONES,AR,Argentina 2628555102030.5951.4717.944100.000.000.00Cablemas Telecomunicaciones SA de CV,MX,Mexico 2734170109429.5262.078.4137771.0927.851.06AZTELEKOM Azerbaijan Telecomunication ISP,AZ,Azerbaijan 281083436129.099.9760.947394.522.742.74Telefonica de Argentina,AR,Argentina 291673559528.408.5763.0313284.099.096.82COMPANHIA DE TELECOMUNICACOES DO BRASIL CENTRAL,BR,Brazil 302904988827.2524.4448.3120266.3431.681.98DELTA-TELECOM-AS Delta Telecom LTD.,AZ,Azerbaijan May 2013

23 “It’s not me – it’s my ISP!” RankASCount%All%Some%NotDNSSEC%All%Some%NoneASName 11516933379.8820.120.0000.000.000.00GOOGLE - Google Inc.,US,United States of America 245899444951.472.0946.44206097.821.360.83VNPT-AS-VN VNPT Corp,VN,Vietnam 37552159738.631.8259.5552699.240.570.19VIETEL-AS-AP Vietel Corporation,VN,Vietnam 418403256035.941.1762.8981898.901.100.00FPT-AS-AP TFinancing & Promoting Technology,VN,Vietnam 5423050529.1111.4959.4114853.3817.5729.05EMBRATEL-EMPRESA BRASILEIRA DE TELECOMUNICA??ES SA,BR,Brazil 63429644026.1446.5927.275298.081.920.00MILLENICOM-AS MILLENI.COM,DE,Germany 71776231526.0322.8651.113196.773.230.00HTIL-TTML-IN-AP Tata Teleservices Maharashtra Ltd,IN,India 817974716225.125.4769.41168095.244.460.30TELKOMNET-AS2-AP PT Telekomunikasi Indonesia,ID,Indonesia 9354952922.506.4371.087978.4813.927.59GBLX Global Crossing Ltd.,US,United States of America 1013109058319.9015.6164.498881.8210.237.95CAT-IDC-4BYTENET-AS-AP,TH,Thailand 1113122257719.7624.9655.29475.0025.000.00MTS-INDIA-IN 334,Udyog Vihar,IN,India 128452661219.316.5674.12105194.295.710.00TE-AS TE-AS,EG,Egypt 13851745219.258.8571.902737.0418.5244.44ULAKNET National Academic Network and Information Center,TR,Turkey 1417459619.133.8677.016188.526.564.92COGENT Cogent/PSI,US,United States of America 155582455818.6414.8766.494182.9317.070.00RSMANI-NKN-AS-AP National Knowledge Network,IN,India 161745145518.464.8476.706687.8812.120.00BIZNET-AS-AP BIZNET NETWORKS,ID,Indonesia 17938728017.8637.1445.00922.2211.1166.67AUGERE-PK AUGERE-Pakistan,PK,Pakistan 1836947680617.7336.2845.99118478.8921.110.00ALGTEL-AS,DZ,Algeria 191475498117.335.4077.277865.381.2833.33Telgua,GT,Guatemala 2018101100916.956.5476.516791.047.461.49RELIANCE-COMMUNICATIONS-IN Reliance Communications.DAKC MUMBAI,IN,India 212096026916.366.6976.953093.330.006.67TKTELEKOM-AS TK Telekom sp. z o.o.,PL,Poland 221199241715.1118.9465.95944.4455.560.00CENTENNIAL-PR - Centennial de Puerto Rico,PR,Puerto Rico 23993052415.0810.5074.434266.6733.330.00TTNET-MY TIME dotCom Berhad,MY,Malaysia 242020728514.744.2181.054285.7114.290.00Gigared S.A.,AR,Argentina 2512978159114.520.3185.1721998.631.370.00DOGAN-ONLINE DOGAN TV DIGITAL PLATFORM ISLETMECILIGI A.S.,TR,Turkey 263692558914.0912.7373.1747911.485.2283.30ASMedi,MA,Morocco 279498108313.306.7479.967875.6420.513.85BBIL-AP BHARTI Airtel Ltd.,IN,India 2818881634613.222.8883.9065288.967.523.53Global Village Telecom,BR,Brazil 2947881319013.122.0284.85146093.773.083.15TMNET-AS-AP TM Net, Internet Service Provider,MY,Malaysia 3091212585613.111.4485.44292295.484.280.24TTNET Turk Telekomunikasyon Anonim Sirketi,TR,Turkey September 2013

24 Who turned Google OFF? RankASDeltaMaySepAS Name 11775462.49%75.99%13.50%EXCELL-AS Excellmedia,IN,India 21597546.99%57.96%10.97%HADARA-AS Hadara Technologies Private Shareholding Company,PS,Occupied Palestinian Territory 31475414.73%37.46%22.73%Telgua,GT,Guatemala 43854714.21%38.97%24.76%WITRIBE-AS-AP WITRIBE PAKISTAN LIMITED,PK,Pakistan 51062013.20%16.22%3.02%Telmex Colombia S.A.,CO,Colombia 64560910.70%12.45%1.75%BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Service,IN,India 7364237.68%18.05%10.37%SAN-JUAN-CABLE - San Juan Cable, LLC,PR,Puerto Rico 8455957.43%14.29%6.86%PKTELECOM-AS-PK Pakistan Telecom Company Limited,PK,Pakistan 9349846.93%20.41%13.48%TELLCOM-AS TELLCOM ILETISIM HIZMETLERI A.S.,TR,Turkey 10475246.87%19.35%12.48%TURKSAT-AS Turksat Uydu Haberlesme ve Kablo TV Isletme A.S.,TR,Turkey 11129786.86%21.69%14.83%DOGAN-ONLINE DOGAN TV DIGITAL PLATFORM ISLETMECILIGI A.S.,TR,Turkey 1247806.39%21.50%15.11%SEEDNET Digital United Inc.,TW,Taiwan 13345696.21%6.21%0.00%NETWORX-BG Networx-Bulgaria Ltd.,BG,Bulgaria 14449575.58%15.99%10.41%OPITEL Vodafone Omnitel N.V.,IT,Italy 151310905.49%41.00%35.51%CAT-IDC-4BYTENET-AS-AP,TH,Thailand 16473315.35%18.65%13.30%TTNET TTNet A.S.,TR,Turkey 1786125.17%14.28%9.11%TISCALI-IT Tiscali Italia S.P.A.,IT,Italy 1894984.71%24.75%20.04%BBIL-AP BHARTI Airtel Ltd.,IN,India 1991214.70%19.26%14.56%TTNET Turk Telekomunikasyon Anonim Sirketi,TR,Turkey 2084524.47%30.35%25.88%TE-AS TE-AS,EG,Egypt 21296144.29%19.94%15.65%GHANATEL-AS,GH,Ghana 2283864.23%18.39%14.16%KOCNET VODAFONE NET ILETISIM HIZMETLERI A.S,TR,Turkey 2348123.14%6.81%3.67%CHINANET-SH-AP China Telecom (Group),CN,China 2444362.96%6.65%3.69%AS-NLAYER - nLayer Communications, Inc.,US,United States of America 2512672.91%13.77%10.86%ASN-INFOSTRADA WIND Telecomunicazioni S.p.A.,IT,Italy 26314522.70%2.70%0.00%MTC-VB-AS MTC-Vodafone Bahrain,BH,Bahrain 2732692.62%15.01%12.39%ASN-IBSNAZ Telecom Italia S.p.a.,IT,Italy 28459602.39%15.71%13.32%YTLCOMMS-AS-AP YTL COMMUNICATIONS SDN BHD,MY,Malaysia 2995062.31%6.62%4.31%MAGIX-SG-AP Magix Broadband Network,SG,Singapore 30369922.24%6.57%4.33%ETISALAT-MISR,EG,Egypt % of users per Origin AS who decreased their use of Google’s Public DNS: May to September

25 Who turned Google ON? RankASDeltaMaySepAS Name 14535664.72%0.22%64.94%MOBITEL-LK IS Group, No:108, W A D Ramanayake Mawatha,,LK,Sri Lanka 2260924.74%5.40%30.14%TN-BB-AS Tunisia BackBone AS,TN,Tunisia 3664818.68%26.88%45.56%BAYAN-TELECOMMUNICATIONS Bayan Telecommunications, Inc.,PH,Philippines 43694717.34%36.67%54.01%ALGTEL-AS,DZ,Algeria 513122213.80%30.91%44.71%MTS-INDIA-IN 334,Udyog Vihar,IN,India 61663711.21%6.29%17.50%MTNNS-AS,ZA,South Africa 7184039.00%28.11%37.11%FPT-AS-AP The Corporation for Financing & Promoting Technology,VN,Vietnam 8120667.86%2.70%10.56%TRICOM,DO,Dominican Republic 9100297.82%7.87%15.69%CITYCOMNETWORKS-AS CITYCOM NETWORKS PVT LTD,IN,India 10116646.95%12.71%19.66%Techtel LMDS Comunicaciones Interactivas S.A.,AR,Argentina 11101396.04%1.40%7.44%SMARTBRO-PH-AP Smart Broadband, Inc.,PH,Philippines 1269395.89%5.63%11.52%HURRICANE - Hurricane Electric, Inc.,US,United States of America 1389975.73%8.77%14.50%ASN-SPBNIT OJSC Rostelecom,RU,Russian Federation 1447555.25%14.13%19.38%TATACOMM-AS TATA Communications formerly VSNL is Leading ISP,IN,India 15558245.04%28.47%33.51%RSMANI-NKN-AS-AP National Knowledge Network,IN,India 16458994.55%49.01%53.56%VNPT-AS-VN VNPT Corp,VN,Vietnam 1765034.19%4.41%8.60%Axtel, S.A.B. de C.V.,MX,Mexico 18102924.15%2.55%6.70%CWJAM ASN-CWJAMAICA,JM,Jamaica 1973034.00%5.59%9.59%Telecom Argentina S.A.,AR,Argentina 2098293.98%4.47%8.45%BSNL-NIB National Internet Backbone,IN,India 2135493.90%25.02%28.92%GBLX Global Crossing Ltd.,US,United States of America 22175523.79%5.63%9.42%TRUE-AS-AP True Internet Co.,Ltd.,TH,Thailand 23122523.72%3.94%7.66%America Movil Peru S.A.C.,PE,Peru 2499303.71%21.86%25.57%TTNET-MY TIME dotCom Berhad,MY,Malaysia 25228333.61%5.20%8.81%CTE S.A. de C.V.,SV,El Salvador 26174653.57%3.42%6.99%ASIANET Cable ISP in India,IN,India 27225663.56%3.09%6.65%Maxcom Telecomunicaciones, S.A.B. de C.V.,MX,Mexico 28180043.37%3.76%7.13%WIRELESSNET-ID-AP WIRELESSNET AS,ID,Indonesia 29104813.30%2.62%5.92%Prima S.A.,AR,Argentina 3064003.27%3.08%6.35%Compa??a Dominicana de Tel?fonos, C. por A. - CODETEL,DO,Dominican Republic % of users per Origin AS who increased their use of Google’s Public DNS: May to September

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