The measurement activities below track different aspects of IPv6 deployment on the global Internet. The different measurements show various dimensions of the answer to the question of how broadly IPv6 is being used on the global Internet. The tables, charts, and links provide answers to questions such as: which websites have enabled IPv6, how many visitors to a specific website are using IPv6, how many networks have significant IPv6 deployment, and how much traffic at an Internet exchange is using IPv6?


Network operator measurements, 13th February 2019

To understand our IPv6 Deployment metric, please read the notes below. Results are ranked by overall traffic volume. Click on Participating Network name to view a longitudinal deployment graph for that network.

Rank Participating Network ASN(s) IPv6 deployment
1 Comcast 7015, 7016, 7725, 7922, 11025, 13367, 13385, 20214, 21508, 22258, 22909, 33287, 33489, 33490, 33491, 33650, 33651, 33652, 33653, 33654, 33655, 33656, 33657, 33659, 33660, 33661, 33662, 33664, 33665, 33666, 33667, 33668, 36732, 36733 71.13%
2 KDDI 2516 48.43%
3 RELIANCE JIO INFOCOMM LTD 55836, 64049 89.55%
4 SoftBank 17676 42.76%
5 Charter Communications 7843, 10796, 11351, 11426, 11427, 12271, 20001, 20115, 33363 46.84%
6 ATT 6389, 7018, 7132 61.26%
7 Deutsche Telekom AG 3320 65.48%
8 Claro Brasil 4230, 28573 51.34%
9 Vivo 10429, 11419, 18881, 19182, 26599, 27699 50.79%
10 Verizon Wireless 6167, 22394 87.86%
11 Chunghwa Telecom (Mobile) 17421 72.85%
12 Chunghwa Telecom (HiNet) 3462, 9680, 17419 19.83%
13 Liberty Global 5089, 6830, 20825, 29562 22.73%
14 British Sky Broadcasting 5607 87.32%
15 TELMEX 8151 40.39%
16 VNPT 45899 38.59%
17 T-Mobile USA 21928 93.60%
18 Orange Business Services 3215 44.05%
19 Cox Communications 22773 54.23%
20 SKTelecom 9644 37.99%
21 AT&T Wireless 20057 73.24%
22 BT 2856 52.57%
23 Rogers Communications 812, 20453 55.60%
24 OTE SA 6799 60.03%
25 Orange Poland 5617, 43447 23.33%
26 TELUS 852 59.55%
27 Free 12322 44.57%
28 Telekom Malaysia 4788 35.16%
29 Sprint Wireless 3651, 10507 77.30%
30 NTT Docomo 9605 9.81%
31 FPT Telecom 18403 26.27%
32 Saudi Telecom Company (STC) 25019, 31177, 39386, 39891, 41426 20.95%
33 Chubu Telecommunications 18126 57.87%
34 RCS & RDS 8708 28.51%
35 Telenet 6848 73.84%
36 Belgacom 5432 57.57%
37 Telecentro S.A. 27747 65.14%
38 TIM Brasil 26615 53.31%
39 MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A. 3243 67.19%
40 Forthnet 1241 56.59%
41 Swisscom 3303, 6837 53.86%
42 Mega Cable 13999 26.61%
43 Maxis Broadband Sdn Bhd 9534 41.19%
44 O2 Czech Republic 5610 32.47%
45 Mediacom Communications 30036 50.15%
46 Telenor Nordic 2119 22.96%
47 DNA 16086 60.50%
48 Fastweb Spa 12874 27.62%
49 STNet 7522 57.32%
50 KPN 1136 28.86%
51 Hughes Network Systems 6621 64.31%
52 PJSC Mobile TeleSystems 8359, 28884, 29497, 35473, 39811 25.17%
53 Google Fiber 16591 78.50%
54 Telefonica del Peru 6147 7.60%
55 EE 12576 37.15%
56 Er-Telecom 9049, 12768, 31363, 31483, 31692, 34533, 34590, 39028, 39435, 41661, 41668, 41682, 41727, 41733, 41754, 41786, 41843, 41854, 42116, 42682, 42683, 43478, 47659, 49048, 50498, 50512, 50542, 50543, 50544, 51035, 51570, 51604, 51645, 51819, 52207, 56330, 56377, 56420, 56981, 57026, 57044, 57378, 59713 14.63%
57 VOO 12392 80.09%
58 StarHub 4657, 55430 25.39%
59 eircom 5466 51.42%
60 kt 4766 0.73%
61 Cosmote Mobile Telecommunications S.A 29247 66.75%
62 Copel Telecomunicacoes S/A 14868 52.09%
63 Dialog Axiata PLC 18001 35.19%
64 Elion 3249 44.70%
65 Midcontinent Communications 11232 53.18%
66 Xfone 018 47956 47.73%
67 its communications Inc.(iTSCOM) 9365 18.64%
68 BH Telecom d.d. Sarajevo 9146 21.37%
69 XS4ALL 3265 75.37%
70 Tele2 AB 1257 25.87%
71 TekSavvy Solutions 5645 19.26%
72 Bell Mobility 36522 49.71%
73 3 Scandinavia 44034 58.33%
74 Cablevisión Fibertel 10318 6.46%
75 M1 Limited 4773, 17547 17.63%
76 EPT Luxembourg 6661 46.92%
77 MediaCat Div./Community Netowork Center Inc. 17529 27.34%
78 Hyperoptic 56478 45.46%
79 T-Mobile Czech Republic, a.s. 13036 8.87%
80 inexio KGaA 42652 48.03%
81 Comteco Ltda 27839 39.66%
82 VM OPENLINK/Sumicity 28210 37.95%
83 Cabo Telecom 28220 25.20%
84 Internode 4739 8.85%
85 Companhia de Telecomunicações de Macau S.A.R.L. 4609 9.52%
86 Deutsche Glasfaser 60294 36.00%
87 Sri Lanka Telecom PLC 9329 6.67%
88 Cisco 109 51.32%
89 Liquid Telecommunications 30844, 30969 17.23%
90 Janet 786 5.81%
91 Altibox AS 29695 2.48%
92 BVNET S.A. 27833 38.26%
93 CESNET 2852 23.35%
94 Elisa 719 27.25%
95 Choopa, LLC 20473 7.91%
96 Indiana University 87 71.06%
97 University of Pennsylvania 55 82.09%
98 Get AS, Norway 25400, 41164, 47853, 49455, 51135 2.13%
99 University of Minnesota 57, 217 65.28%
100 Georgia Institute of Technology 2637 69.50%
101 Virginia Tech 1312 92.14%
102 University of Buffalo 3685 78.05%
103 SuperCSI 2506 71.49%
104 Bell Canada Wireline 577 1.07%
105 Kasetsart University 9411 35.12%
106 NYNEX satellite OHG 62023, 200519 78.37%
107 UNINETT 224 17.68%
108 Justweb Telecomunicacoes LTDA 264552 28.10%
109 Centurylink 209 0.13%
110 next layer Telekommunikationsdienstleistungs- und BeratungsGmbH 1764 7.67%
111 YTL Communications Sdn Bhd 45960 3.62%
112 NIIF/Hungarnet 1955 21.71%
113 University of Iowa 3676 66.38%
114 Monash University 56132 47.30%
115 UniNet 4621 6.01%
116 Brno University of Technology 197451 64.09%
117 Solcon 12414 14.21%
118 University of South Florida 5661 70.71%
119 ARNES 2107 32.74%
120 BelWue 553 6.96%
121 Init7 13030 20.59%
122 Unetvale 53175 25.46%
123 CNGI-CERNET2/6IX 23910, 23911 98.37%
124 OVH 16276 9.31%
125 Sonera 1759 0.34%
126 TDC Sverige AB 3292 0.13%
127 ZeelandNet 15542 5.48%
128 Leibniz Supercomputing Centre 12816 23.25%
129 Premier Communications 53347 21.71%
130 Vodafone Portugal 12353 0.48%
131 Jiří štrohalm 197307 66.25%
132 Nettel Telecomunicações Ltda 53135 12.26%
133 GITN Sdn Berhad 38044 4.65%
134 kwaoo.com 24904 15.74%
135 SWITCH 559 10.90%
136 National Informatics Centre 4758 3.87%
137 Alcom 3238 22.05%
138 Electronic Box 1403 3.60%
139 Skymesh 7477 11.45%
140 Coriolis Telecom 60032 42.22%
141 University of California, San Diego 7377 21.89%
142 Sea Net 53222 16.27%
143 Spectrum Networks 11404 0.36%
144 Louisiana State University 2055 44.02%
145 University of Vermont 1351 73.43%
146 SoftLayer Technologies 36351 1.20%
147 Marist College 6124 79.30%
148 Faroese Telecom 15389 9.40%
149 NET.COM TELECOMUNICAÇÕES LTDA EPP 28131 23.96%
150 UNAM 278 4.28%
151 MonkeyBrains 32329 12.82%
152 Bredband2 AB 29518 0.88%
153 Obenetwork AB 197595 17.69%
154 Belnet 2611 8.06%
155 Rensselaer Polytechnic Institute 91 40.85%
156 AAISP 20712 47.80%
157 Aristotle University of Thessaloniki 5470 64.23%
158 MARK-ITT 3226 4.09%
159 TNET PARTICIPAÇÕES INTERNET 263655 7.81%
160 University of the Philippines Diliman 23862 21.34%
161 University of California, Los Angeles 52 9.21%
162 Gustavus Adolphus College 17234 89.82%
163 D-Vois Broadband Pvt. Ltd. 45769 0.31%
164 TUBITAK ULAKBIM / ULAKNET 8517 0.80%
165 FCCN 1930 13.49%
166 Association tetaneutral.net 197422 63.69%
167 University of Twente 1133 81.00%
168 Karlsruhe Institute of Technology (KIT) 34878 68.98%
169 LENTEL 44030 8.30%
170 Storm Internet 13319 12.66%
171 Gesatel - Villa Gesell Televisión Comunitaria S.A. 263834 28.71%
172 iway AG 8758 4.09%
173 NTT Communications 2914 2.73%
174 Certto Telecomunicações 28130 8.02%
175 Funet 1741 5.61%
176 Academia Sinica Network 9264 2.94%
177 Bhutan Telecom 17660, 18024, 18025 15.08%
178 MDlink GmbH 43341 5.87%
179 guifi.net 49835 9.24%
180 FranTech Solutions 53667 2.73%
181 NetAssist 29632 8.26%
182 Greek Research & Technology Network 5408 5.09%
183 RedIRIS 766 3.97%
184 GlobalConnect 42525 1.64%
185 Waverly Utilities 20298 24.13%
186 A DO NASCIMENTO SANTOS INFORMATICA ME 267343 13.66%
187 AMRES - Serbian National Research and Education Network 13092 9.30%
188 AMS-IX 1200 59.43%
189 Academic Scientific Research Computer Network of Armenia (ASNET-AM) 47623 2.16%
190 Active Network S.p.A. 197075 5.55%
191 AdNet Telecom 5541 1.16%
192 Amber IT Limited 23956 0.21%
193 Atlas Networks 21743 1.33%
194 BendTel Inc. 27008 0.15%
195 Blue Networks Technologies 50620 3.39%
196 Bulgaria NREN 6802 2.15%
197 CICA/Junta de Andalucía 198096 0.18%
198 CZ.NIC 25192 80.40%
199 Cape Connect Internet (Pty) Ltd 37640 36.57%
200 Chalmers Studentbostäder 48514 5.65%
201 China Mobile 9808, 24059, 24400, 24444, 24445, 24547, 38019, 45120, 56040, 56041, 56042, 56044, 56045, 56046, 56047, 56048, 132525, 134810, 136755 8.11%
202 China Telecom 4134, 4809, 4812, 4816, 4835, 4847, 17638, 23650, 23724, 38283, 58461, 58466, 58539, 58540, 58541, 58542, 58543, 58563, 63835, 63836, 131325, 133774, 133775, 133776, 134238, 134418, 134419, 134420, 134756, 134761, 134762, 134763, 134764, 134765, 134766, 134768, 134768, 134769, 134770, 134771, 134772, 136188, 136190, 136191, 136192, 136193, 136194, 136195, 137687 2.67%
203 China Unicom 4808, 4837, 9800, 9929, 17621, 17622, 17623, 17816, 63836, 63837, 133118, 133119, 134542, 134543, 135061, 136958, 136959 1.77%
204 CloudFlare, Inc. 13335 17.97%
205 Colt 8220 0.22%
206 Complex Computers sp. z o.o. sp. k. 196890 4.62%
207 Critical Colocation 52342 62.65%
208 Cybernet1 21632 4.90%
209 DataChambers 29765 6.90%
210 Datahata Ltd 56740 4.31%
211 Datametrix AS 200168 27.91%
212 DegNet GmbH 20902 17.62%
213 Digicel Trinidad & Tobago 27800 85.41%
214 DirectVPS 29028 68.00%
215 DreamHost 26347 62.76%
216 ENTANET International Ltd. 8468 0.27%
217 Ehiweb.it 43989 0.53%
218 Esto Internet 135817 5.01%
219 FX Networks 9503 0.59%
220 Faculdade de Ciências Aplicadas da Unicamp 53187 2.19%
221 FidoNet 8282 18.42%
222 FirstDigital Telecom 13415 2.70%
223 Foxx Provider Telecom ME 264084 3.65%
224 Free University of Bozen-Bolzano 51708 36.82%
225 GARR 137 1.28%
226 Go6 Institute 198644 87.38%
227 Gotalandsnatet AB 12597 0.25%
228 Grenode 51083 44.63%
229 HEAnet 1213 1.14%
230 HOSTLINE, UAB 198651 18.81%
231 Hivane Networks 34019 70.48%
232 ICT Valle Umbra 15605 0.11%
233 IKS GmbH 15725 54.19%
234 IPLAN 16814 0.26%
235 ITsjefen AS 44381 3.26%
236 Intermax Managed Hosting BV 24586 0.12%
237 JT 8681 0.23%
238 Jaguar Network 30781 0.15%
239 KaseNet 199087 8.55%
240 LGA Telecom Pte Ltd 10024 0.22%
241 LITNET 2847 8.42%
242 MD Brasil Ti & Telecom 28657 1.80%
243 MaineREN - University of Maine System 557 5.32%
244 Mhnet Telecom 28146 1.24%
245 Mythic Beasts Ltd 44684 11.36%
246 NBI Systems (NBIS) Ltd. 39396 8.22%
247 National Knowledge Network 9885, 55824, 55847 0.22%
248 National Technical University of Athens 3323 40.65%
249 Neo Telecoms 8218 0.85%
250 NetNam Corporation 24173 0.14%
251 Netnod 8674 62.42%
252 Netwerkvereniging Coloclue 8283 49.89%
253 NineWire Pty LTd 132020 95.19%
254 Niss Broadband 132774 2.55%
255 Oquei Provedor 262761 0.21%
256 PCextreme B.V. 48635 60.84%
257 PT Cyberindo Aditama (CBN Internet) 4787 0.33%
258 PT Pasifik Satelit Nusantara 9875 2.75%
259 PT.MEDIA SARANA DATA(GMEDIA) 55666 1.10%
260 Perm State University 8684 10.88%
261 PoP-RS 2716 18.33%
262 PoP-SP RNP 1916 4.30%
263 Ponto de Presença da RNP na Bahia 53164 11.10%
264 PowerTech Information Systems AS 5381 2.98%
265 RAU - UdelaR 1797 6.95%
266 RENATER 2200 1.06%
267 Red Nacional Academica de Tecnologia Avanzada - RENATA 27817 0.12%
268 Region 7 ESC 30350 3.41%
269 Remex Consulting Pty Limited 55328 22.81%
270 SPAWAR 22 94.82%
271 SURFnet 1103 2.79%
272 Sauk Valley Community College 13953 97.56%
273 Serveurcom 57809 0.12%
274 Signet B.V. 28878 0.24%
275 Sistemas Fratec S.A. 262149 13.67%
276 Sparkation Pte Ltd 45634 3.09%
277 SpeedPartner GmbH 34225 70.98%
278 Speedyway 265185 2.48%
279 Starlink 34602 1.03%
280 Sudanese Research and Education Network 37197 47.88%
281 SuomiCom 16302 1.65%
282 SuperInternet Access Pte Ltd 4844 0.49%
283 TOP-IX Consortium 25309 0
284 ThaiSarn 3836 97.19%
285 Thammasat University 37992 1.53%
286 Titânia Telecom 262526 0.13%
287 Trunk Networks Limited 49375 9.20%
288 UFSC - Universidade Federal de Santa Catarina - Brazil 11242 2.63%
289 UFSCar 52888 24.05%
290 UNESP 53166 43.00%
291 UNET 29396 5.98%
292 US Dept of Transportation 2576 6.88%
293 Universidad Panamericana 13679 87.77%
294 Universidad de Guadalajara 2549 2.98%
295 Universidad de Ibague 52467 74.79%
296 Universidade Federal de Santa Catarina 263300 47.49%
297 Universidade Federal do Rio Grande do Sul 19200 0.99%
298 University Of Hawaii System 6360 20.71%
299 University of Wisconsin - Madison 59 2.84%
300 Utility Line Italia srl 9026 1.39%
301 Vescnet 262792 4.51%
302 Viva Tecnologia Telecom 266413 6.18%
303 Vmax Net Telecomunicacoes do Brasil 28277 1.56%
304 Voax Provedor de Internet 53093 3.05%
305 WideVOIP - WhichWAN 42456 22.40%
306 Xirra GmbH 51191 55.16%
307 Zapelini & Cia. Ltda 263018 28.51%
308 edpnet 9031 2.52%
309 green.ch AG 1836 2.44%
310 internet4YOU GmbH & Co. KG 29014 2.07%
311 mur.at - Verein zur Frderung von Netzkwerkkunst 39837 68.68%
312 prgmr.com 47066 52.55%


Percentage of Alexa Top 1000 websites currently reachable over IPv6

Measurements every hour from AS35425


IPv6 traffic volume at AMS-IX




Other measurement sites and tools


Notes on network operator measurements

We present measurements of network operator participants in World IPv6 Launch, based on data received from major website participants, as described in more detail below. We present a simple average of the data received, and list all networks with measurements from at least two sources, with a simple average above 0.1%. The network operator participants list includes some networks that measured above the threshold leading up to June 6th 2012, but for which we have insufficient measurement data to list here.

Akamai: We are reporting adoption rates based on the percentage of IPv6 requests we receive to a selection of dual-stacked properties on Akamai's content, site, and application delivery platform. The hundreds of billions of IPv4 and IPv6 requests analyzed across a 24-hour window represent traffic to a diverse set of customer sites across various industries, geographies, and user populations.

APNIC: APNIC recruits random measurements of IPv6 capability and preference through advertisements placed in web sites worldwide. The advert runs specially crafted HTML5/Javascript and measures a range of properties across wired, wireless and cellular networks. Per-Economy and Per-ASN daily totals are calculated through the RIR delegation stats and daily BGP dumps to map origin-as and economy of registration of each tested clients IP addresses. The measurement has run continuously since 2010 and currently collects around 10 million samples per day. Further information is available here.

Facebook: On June 6th, we examined page loads from randomly selected users. For each user we are able to test if they are using IPv6 to communicate with Facebook. We also know which ISP (World IPv6 Launch participant) they are using at their location. After collecting all data for June 6th, we calculated the percent of unique IPv6 users out of total unique users we saw from each ISP. Many millions of page loads were in our 24-hour data capture for these statistics.

Google: We measure IPv6 adoption among Google users by adding measurement JavaScript to a random sample of visits to various Google properties. The methodology is similar to that described in our paper, Evaluating IPv6 adoption in the Internet. The JavaScript uses HTTP to fetch a URL from an IPv4-only hostname and a URL from a dual-stack hostname, in random order, and then reports the results. The measurement is attributed to the ASN that originates the user's IPv4 address. Measurement endpoints use the same infrastructure that serve regular Google traffic.