Table 4 15 most important autonomous systems
From: Neighborhoods and bands: an analysis of the origins of spam
AS | Msgs (10 6 ) | IP addr. | IP SMTP | IP SOCKS | IP HTTP | IP XBL | IP PBL | IP No BL | vol. (GB) | Classification |
|---|---|---|---|---|---|---|---|---|---|---|
10297 | 1.857 | 182 | 22.5% | 77.5% | 77.5% | 17.0% | 0.0% | 83.0% | 5,475 | hosting/co-location |
3462 | 359 | 100,395 | 78.7% | 22.1% | 6.8% | 7.7% | 99.8% | 0.1% | 1,320 | DSL/ISP |
29802 | 298 | 25 | 16.0% | 84.0% | 84.0% | 12.0% | 0.0% | 88.0% | 781 | hosting |
9299 | 148 | 82 | 39.0% | 61.0% | 26.8% | 34.2% | 1.2% | 65.9% | 342 | DSL/business |
2497 | 141 | 1,185 | 0.2% | 99.6% | 99.0% | 0.2% | 19.4% | 80.4% | 559 | hosting/clouding |
4134 | 126 | 110,123 | 99.7% | 0.3% | 0.2% | 15.8% | 81.8% | 17.1% | 2,446 | DSL |
6648 | 124 | 54 | 9.3% | 90.7% | 40.7% | 9.3% | 90.7% | 1.9% | 279 | DSL/business |
4725 | 31 | 215 | 0.9% | 99.1% | 98.6% | 0.9% | 95.8% | 3.3% | 120 | clouding/business |
27699 | 31 | 1,382 | 7.7% | 92.3% | 0.0% | 9.2% | 95.2% | 2.7% | 114 | DSL/business |
18881 | 28 | 3,091 | 10.7% | 89.3% | 0.0% | 8.6% | 96.1% | 2.0% | 97 | co-location/ISP |
8167 | 25 | 198 | 38.9% | 61.1% | 0.0% | 37.4% | 34.8% | 41.4% | 95 | clouding/ISP |
4837 | 23 | 20,551 | 99.9% | 0.1% | 0.0% | 26.5% | 78.4% | 18.5% | 97 | - |
9924 | 22 | 1,959 | 1.3% | 82.1% | 98.6% | 2.8% | 99.6% | 0.1% | 77 | - |
28573 | 21 | 700 | 75.7% | 24.3% | 0.0% | 46.9% | 98.4% | 0.9% | 76 | ISP |
4230 | 20 | 429 | 21.7% | 78.3% | 78.3% | 31.0% | 67.6% | 11.0% | 67 | hosting/ISP |