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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 41876 392 57 17 0
1 7029 65 14 27 3
2 30873 35 -80 -70 0
3 14265 29 25 625 77
4 135607 12 10 500 140
5 263675 9 2 29 33
6 6167 9 -1 -10 22
7 18302 8 0 0 26
8 61689 6 2 50 75
9 11915 5 3 150 203
10 133799 4 -2 -33 43
11 8771 3 0 0 101
12 10620 3 -14 -82 1
13 138590 3 -1 -25 72
14 2614 3 -1 -25 53
15 56046 3 2 200 481
16 4134 3 -9 -75 8
17 203214 3 0 0 88
18 12129 2 0 0 196
19 17451 2 -6 -75 15
20 26375 2 0 0 203
21 3215 2 -1 -33 73
22 4787 2 -5 -71 23
23 13489 2 -8 -80 3
24 33748 2 2 0 0
25 11888 2 1 100 437
26 7545 2 0 0 116
27 7713 2 -75 -97 -24
28 203117 2 0 0 174
29 149868 2 1 100 292
30 63526 2 1 100 472
31 150747 2 1 100 313
32 57334 1 -1 -50 115
33 55836 1 -1 -50 120
34 61308 1 0 0 471
35 137344 1 0 0 200
36 134078 1 1 0 0
37 135356 1 0 0 255
38 52618 1 0 0 441
39 140429 1 0 0 327
40 150543 1 0 0 323
41 198551 1 -3 -75 38
42 199945 1 0 0 212
43 203622 1 0 0 275
44 206262 1 -1 -50 152
45 262686 1 0 0 293
46 53587 1 0 0 430
47 27708 1 0 0 365
48 51624 1 0 0 436
49 44092 1 -1 -50 116