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De-Bogonising New Address Blocks Report - 20070217
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Note: The results presented in this report are based on a few assumptions. Therefore, please keep in mind that the list of filtering ASes shown here might not be absolutely accurate or complete. For more information on the assumptions and how the report is compiled, please read below.
Summary
Anchor Prefix: 84.205.83.0/24 Size of set: 111 ASes

|
| Visibility estimation | 108 (+- 0) out of 111 ASes (97 %) |
| Filtering ASes (3) | 10764
13645
16150 |
| Uncertain ASes (part of a filtering as-path segment) | 0 |
| Filtering segments (at least one filtering AS): | |

|
| Visibility estimation | 102 (+- 2) out of 111 ASes (91 %) |
| Filtering ASes (7) | 2857
3491
8402
13030
16150
25232
29686 |
| Uncertain ASes (part of a filtering as-path segment) | 4 |
| Filtering segments (at least one filtering AS): | [2857 3491]
[3267 3343]
[8642 16150]
[13030 16150]
[13645 25232]
[29686 16150] |

|
| Visibility estimation | 102 (+- 2) out of 111 ASes (91 %) |
| Filtering ASes (7) | 2857
3491
8402
13030
16150
25232
29686 |
| Uncertain ASes (part of a filtering as-path segment) | 4 |
| Filtering segments (at least one filtering AS): | [2857 3491]
[3267 3343]
[8642 16150]
[13030 16150]
[13645 25232]
[29686 16150] |

|
| Visibility estimation | 102 (+- 2) out of 111 ASes (91 %) |
| Filtering ASes (7) | 2857
3491
8402
13030
16150
25232
29686 |
| Uncertain ASes (part of a filtering as-path segment) | 4 |
| Filtering segments (at least one filtering AS): | [2857 3491]
[3267 3343]
[8642 16150]
[13030 16150]
[13645 25232]
[29686 16150] |

|
| Visibility estimation | 102 (+- 2) out of 111 ASes (91 %) |
| Filtering ASes (7) | 2857
3491
8402
13030
16150
25232
29686 |
| Uncertain ASes (part of a filtering as-path segment) | 4 |
| Filtering segments (at least one filtering AS): | [2857 3491]
[3267 3343]
[8642 16150]
[13030 16150]
[13645 25232]
[29686 16150] |

|
| Visibility estimation | 102 (+- 2) out of 111 ASes (91 %) |
| Filtering ASes (7) | 2857
3491
8402
13030
16150
25232
29686 |
| Uncertain ASes (part of a filtering as-path segment) | 4 |
| Filtering segments (at least one filtering AS): | [2857 3491]
[3267 3343]
[8642 16150]
[13030 16150]
[13645 25232]
[29686 16150] |

|
| Visibility estimation | 102 (+- 2) out of 111 ASes (91 %) |
| Filtering ASes (7) | 2857
3491
8402
13030
16150
25232
29686 |
| Uncertain ASes (part of a filtering as-path segment) | 4 |
| Filtering segments (at least one filtering AS): | [2857 3491]
[3267 3343]
[8642 16150]
[13030 16150]
[13645 25232]
[29686 16150] |

|
| Visibility estimation | 102 (+- 2) out of 111 ASes (91 %) |
| Filtering ASes (7) | 2857
3491
8402
13030
16150
25232
29686 |
| Uncertain ASes (part of a filtering as-path segment) | 4 |
| Filtering segments (at least one filtering AS): | [2857 3491]
[3267 3343]
[8642 16150]
[13030 16150]
[13645 25232]
[29686 16150] |

|
| Visibility estimation | 102 (+- 2) out of 111 ASes (91 %) |
| Filtering ASes (7) | 2857
3491
8402
13030
16150
25232
29686 |
| Uncertain ASes (part of a filtering as-path segment) | 4 |
| Filtering segments (at least one filtering AS): | [2857 3491]
[3267 3343]
[8642 16150]
[13030 16150]
[13645 25232]
[29686 16150] |

|
| Visibility estimation | 102 (+- 2) out of 111 ASes (91 %) |
| Filtering ASes (7) | 2857
3491
8402
13030
16150
25232
29686 |
| Uncertain ASes (part of a filtering as-path segment) | 4 |
| Filtering segments (at least one filtering AS): | [2857 3491]
[3267 3343]
[8642 16150]
[13030 16150]
[13645 25232]
[29686 16150] |

|
| Visibility estimation | 102 (+- 2) out of 111 ASes (91 %) |
| Filtering ASes (7) | 2857
3491
8402
13030
16150
25232
29686 |
| Uncertain ASes (part of a filtering as-path segment) | 4 |
| Filtering segments (at least one filtering AS): | [2857 3491]
[3267 3343]
[8642 16150]
[13030 16150]
[13645 25232]
[29686 16150] |

|
| Visibility estimation | 102 (+- 2) out of 111 ASes (91 %) |
| Filtering ASes (7) | 2857
3491
8402
13030
16150
25232
29686 |
| Uncertain ASes (part of a filtering as-path segment) | 4 |
| Filtering segments (at least one filtering AS): | [2857 3491]
[3267 3343]
[8642 16150]
[13030 16150]
[13645 25232]
[29686 16150] |

|
| Visibility estimation | 102 (+- 2) out of 111 ASes (91 %) |
| Filtering ASes (7) | 2857
3491
8402
13030
16150
25232
29686 |
| Uncertain ASes (part of a filtering as-path segment) | 4 |
| Filtering segments (at least one filtering AS): | [2857 3491]
[3267 3343]
[8642 16150]
[13030 16150]
[13645 25232]
[29686 16150] |

|
| Visibility estimation | 102 (+- 2) out of 111 ASes (91 %) |
| Filtering ASes (7) | 2857
3491
8402
13030
16150
25232
29686 |
| Uncertain ASes (part of a filtering as-path segment) | 4 |
| Filtering segments (at least one filtering AS): | [2857 3491]
[3267 3343]
[8642 16150]
[13030 16150]
[13645 25232]
[29686 16150] |

|
| Visibility estimation | 102 (+- 2) out of 111 ASes (91 %) |
| Filtering ASes (7) | 2857
3491
8402
13030
16150
25232
29686 |
| Uncertain ASes (part of a filtering as-path segment) | 4 |
| Filtering segments (at least one filtering AS): | [2857 3491]
[3267 3343]
[8642 16150]
[13030 16150]
[13645 25232]
[29686 16150] |

|
| Visibility estimation | 102 (+- 2) out of 111 ASes (91 %) |
| Filtering ASes (7) | 2857
3491
8402
13030
16150
25232
29686 |
| Uncertain ASes (part of a filtering as-path segment) | 4 |
| Filtering segments (at least one filtering AS): | [2857 3491]
[3267 3343]
[8642 16150]
[13030 16150]
[13645 25232]
[29686 16150] |
Details
- Non-filtering
- Filtering
- Uncertain (part of a filtering AS-path segment)
| AS Number | 41.223.236.0 /22 | 116.255.0.0 /16 | 116.50.0.0 /21 | 116.0.0.0 /24 | 117.255.0.0 /16 | 117.50.0.0 /21 | 117.0.0.0 /24 | 118.255.0.0 /16 | 118.50.0.0 /21 | 118.0.0.0 /24 | 119.255.0.0 /16 | 119.50.0.0 /21 | 119.0.0.0 /24 | 120.255.0.0 /16 | 120.50.0.0 /21 | 120.0.0.0 /24 |
| 174 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 286 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 513 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 559 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 702 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 1103 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 1221 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 1239 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 1273 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 1299 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 1668 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 1853 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 1901 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 1930 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 2118 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 2119 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 2497 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 2516 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 2857 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 2914 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 3216 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 3257 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 3267 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 3277 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 3320 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 3327 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 3333 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 3343 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 3356 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 3491 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 3549 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 3561 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 3741 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 4436 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 4589 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 4608 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 4637 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 4777 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 5392 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 5588 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 5650 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 6453 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 6461 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 6695 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 6706 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 6730 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 6762 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 6881 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 7018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 7385 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 7575 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 7660 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 8167 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 8210 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 8220 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 8331 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 8342 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 8359 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 8402 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 8434 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 8447 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 8596 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 8631 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 8642 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 8763 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 8881 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 8928 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 9270 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 10429 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 10764 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 11537 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 12350 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 12654 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 12779 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 12793 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 12956 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 13030 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 13237 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 13645 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 14361 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 15837 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 16150 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 16186 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 16215 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 16397 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 20483 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 20562 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 20640 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 20932 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 20965 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 21202 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 22388 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 22548 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 22691 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 23393 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 24490 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 25232 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 25462 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 25512 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 26943 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 27664 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 28895 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 28917 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 29222 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 29686 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 30912 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 31283 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 34347 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 39469 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 65000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 65001 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Methodology
The anchor and debogon prefixes are announced by the same router (RRC3) and AS number (AS12654). The AS-path from any point on the Internet towards the announcing router should therefore be the same for both prefixes. If this is not the case, it is assumed that debogon prefix filtering is being applied somewhere on the path.
T |