DNS over UDP Scanning
Last successfull measurement:
Last successfull measurement:
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.
This plot shows the Top-50 countries which host the most transparent forwarders (absolut). Countries marked with a '*' are emerging markets. This heatmap shows where transparent forwarders relay their requests to. Most of the requests are forwarded to resolver of Google.
This table shows the top-50 autonomous systems (AS) that host most of the transparent DNS forwarders as presented in the ACM CoNEXT'21 paper. The full data set is also available as part of the artifacts collection.
| ASN | # Transparent Forwarders | Δ Last Week [#] | Δ Last Week [%] | Δ Last Week [Rank] | |
|---|---|---|---|---|---|
| 0 | 4812 | 17355 | 201 | 1 | 1 |
| 1 | 45804 | 17251 | 94 | 1 | -1 |
| 2 | 58659 | 12984 | -700 | -5 | 0 |
| 3 | 5769 | 9316 | 76 | 1 | 0 |
| 4 | 52444 | 8536 | 0 | 0 | 0 |
| 5 | 52426 | 8192 | 0 | 0 | 0 |
| 6 | 52419 | 7144 | 570 | 9 | 0 |
| 7 | 22921 | 6144 | 1 | 0 | 0 |
| 8 | 37455 | 6033 | -6 | 0 | 0 |
| 9 | 209 | 5099 | 50 | 1 | 0 |
| 10 | 27881 | 4662 | 2 | 0 | 0 |
| 11 | 150008 | 4542 | 54 | 1 | 0 |
| 12 | 28100 | 4420 | 0 | 0 | 0 |
| 13 | 174 | 4051 | -99 | -2 | 0 |
| 14 | 63526 | 3123 | 195 | 7 | 1 |
| 15 | 18229 | 3117 | 79 | 3 | -1 |
| 16 | 53079 | 3071 | 570 | 23 | 2 |
| 17 | 28058 | 2521 | 1 | 0 | 0 |
| 18 | 29600 | 2447 | -1 | 0 | 1 |
| 19 | 134236 | 2291 | 1 | 0 | 2 |
| 20 | 52864 | 2087 | 293 | 16 | 13 |
| 21 | 134019 | 2048 | 2 | 0 | 3 |
| 22 | 57583 | 2047 | 4 | 0 | 4 |
| 23 | 262334 | 2046 | 0 | 0 | -1 |
| 24 | 135125 | 2045 | -1 | 0 | 1 |
| 25 | 197025 | 2045 | -1 | 0 | -2 |
| 26 | 61784 | 2019 | -6 | 0 | 1 |
| 27 | 47849 | 1983 | -561 | -22 | -11 |
| 28 | 56456 | 1979 | -1 | 0 | 0 |
| 29 | 9534 | 1875 | -20 | -1 | 1 |
| 30 | 134863 | 1840 | -13 | -1 | 1 |
| 31 | 19901 | 1822 | 15 | 1 | 1 |
| 32 | 37347 | 1771 | 69 | 4 | 4 |
| 33 | 48326 | 1758 | -18 | -1 | 1 |
| 34 | 134866 | 1708 | 0 | 0 | 1 |
| 35 | 52468 | 1703 | -203 | -11 | -6 |
| 36 | 139567 | 1557 | -6 | 0 | 2 |
| 37 | 34984 | 1552 | -30 | -2 | 0 |
| 38 | 137139 | 1529 | 3 | 0 | 3 |
| 39 | 58890 | 1523 | -3 | 0 | 1 |
| 40 | 45235 | 1506 | 2 | 0 | 2 |
| 41 | 52830 | 1484 | 0 | 0 | 2 |
| 42 | 5639 | 1459 | -9 | -1 | 2 |
| 43 | 133676 | 1437 | 433 | 43 | 63 |
| 44 | 18002 | 1423 | -2 | 0 | 1 |
| 45 | 134907 | 1422 | 156 | 12 | 12 |
| 46 | 3257 | 1417 | 37 | 3 | 1 |
| 47 | 61689 | 1396 | -2 | 0 | -1 |
| 48 | 4808 | 1376 | 11 | 1 | 1 |
| 49 | 136284 | 1374 | 8 | 1 | -1 |