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Open DNS (ODNS)

DNS over TCP Scanning

Last successfull measurement:

Distribution of ODNS Components Worldwide
Number of ODNS Components:
Share of ODNS Components of Top-50 Countries

This plot shows the Top-50 countries which host the most transparent forwarders (absolut). The bars show the share of all ODNS components per country, the left y-axis shows the absolut amount of transparent forwarders active in these countries. Countries marked with a '*' are emerging markets.

Consolidation Effect of Transparent Forwarders in Top-50 Countries

This plot shows the Top-50 countries which host the most transparent forwarders (absolut). Countries marked with a '*' are emerging markets, the heatmap shows where transparent forwarders relay their requests to.

Top 50 Autonomous System with most Transparent Forwarders

This table shows the top-50 autonomous systems (AS) that host most of the transparent DNS forwarders.

ASN # Transparent Forwarders Δ Last Week [#] Δ Last Week [%] Δ Last Week [Rank]
0 4812 17096 17084 142367 31
1 5769 12403 12402 1240200 518
2 174 11216 11192 46633 16
3 52419 6910 6910 0 0
4 52426 5787 5787 0 0
5 45804 5140 5140 0 0
6 150008 3693 3693 0 0
7 63526 3510 3510 0 0
8 209 3447 3447 0 0
9 58659 3188 3188 0 0
10 55666 3110 3109 310900 567
11 18747 2871 2870 287000 436
12 53213 2842 2842 0 0
13 15924 2797 2797 0 0
14 271779 2707 2707 0 0
15 52444 2652 2652 0 0
16 133279 2569 2569 0 0
17 262773 2378 2378 0 0
18 3257 2121 2118 70600 133
19 132535 2047 2047 0 0
20 29600 2045 2045 0 0
21 135125 2044 2044 0 0
22 134236 2028 2028 0 0
23 134294 2028 2028 0 0
24 24532 2011 2010 201000 474
25 18229 1968 1968 0 0
26 135223 1933 1933 0 0
27 53079 1887 1887 0 0
28 135244 1847 1847 0 0
29 134863 1841 1841 0 0
30 27926 1821 1821 0 0
31 262334 1814 1814 0 0
32 56268 1768 1768 0 0
33 58495 1738 1737 173700 597
34 134866 1716 1716 0 0
35 37347 1658 1658 0 0
36 48326 1630 1630 0 0
37 133283 1571 1571 0 0
38 45235 1538 1538 0 0
39 52830 1519 1519 0 0
40 34984 1442 1391 2727 -33
41 135628 1359 1359 0 0
42 133676 1313 1313 0 0
43 134019 1300 1298 64900 156
44 136284 1256 1256 0 0
45 18002 1236 1234 61700 155
46 135777 1207 1207 0 0
47 138235 1120 1120 0 0
48 5639 1092 1092 0 0
49 55507 1090 1090 0 0