De-Bogonising New Address Blocks Report for AFRINIC

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De-Bogonising New Address Blocks Report for AFRINIC - 20061121

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Summary

All ASes
41.223.236.0/22	is seen by 90 out of 102 ASes	(88 %)
193.0.0.0/21	is seen by 70 out of 102 ASes	(68 %)
84.205.83.0/24	is seen by 87 out of 102 ASes	(85 %)
Baseline 193.0.0.0/21
41.223.236.0/22	is seen by 60 out of 70 ASes	(85 %)
84.205.83.0/24	is seen by 60 out of 70 ASes	(85 %)
Baseline 84.205.83.0/24
41.223.236.0/22	is seen by 84 out of 87 ASes	(96 %)
193.0.0.0/21	is seen by 60 out of 87 ASes	(68 %)

Details

Column Descriptions: AS Number - autonomous system numbers seen anywhere in a path to any of the prefixes; Sees ... - a tick (or 'Y' if viewing this without graphics) indicates that we see the specified prefix with this AS somewhere in the AS Path; Peers ... - a tick here indicates that this AS is seen as an immediate neighbour of the AS announcing the specified prefix.

AS Number	Sees 41.223.236.0 /22	Sees 193.0.0.0 /21	Sees 84.205.83.0 /24	\|	Peers 41.223.236.0 /22	Peers 193.0.0.0 /21	Peers 84.205.83.0 /24
174				\|
286				\|
513				\|
559				\|
701				\|
1103				\|
1221				\|
1239				\|
1273				\|
1299				\|
1853				\|
1901				\|
2118				\|
2497				\|
2857				\|
2914				\|
3246				\|
3257				\|
3267				\|
3277				\|
3320				\|
3333				\|
3343				\|
3356				\|
3549				\|
3741				\|
4230				\|
4608				\|
4637				\|
4777				\|
5392				\|
5417				\|
5511				\|
6140				\|
6320				\|
6453				\|
6461				\|
6509				\|
6695				\|
6706				\|
6762				\|
6820				\|
6881				\|
7018				\|
7575				\|
8167				\|
8195				\|
8210				\|
8331				\|
8342				\|
8365				\|
8402				\|
8434				\|
8447				\|
8470				\|
8596				\|
8631				\|
8763				\|
8820				\|
8881				\|
8928				\|
9009				\|
10764				\|
11537				\|
12350				\|
12654				\|
12695				\|
12779				\|
12793				\|
12859				\|
12976				\|
13030				\|
13237				\|
15435				\|
15837				\|
16150				\|
16186				\|
16215				\|
20483				\|
20485				\|
20562				\|
20640				\|
20932				\|
20965				\|
21202				\|
21318				\|
22548				\|
22691				\|
24490				\|
25232				\|
25462				\|
25512				\|
27664				\|
28895				\|
28917				\|
29222				\|
29329				\|
29686				\|
30733				\|
34225				\|
39469				\|
39637				\|

Some Explanations...

Not seeing the RIPE NCC's prefix 193.0.0.0/21 is probably caused by seeing one of the other prefixes from a peer which does not provide the RIS with a full feed.

Seeing the /16 but not the /21 in the new allocations is probably caused by incorrect prefix length based filtering somewhere along the line.

Seeing the newly allocated prefixes but not the 195.80.239.0/24 prefix is probably caused by filtering based on the RIR's minimum allocation size somewhere.

How these statistics were gathered

For each of the prefixes (41.223.236.0/22 193.0.0.0/21 84.205.83.0/24), all RIB entries and Updates for a single day were extracted from the RIS database and from this a list of all AS Paths seen for each prefix was generated. We class an AS as "seeing" one of the prefixes if that AS appears anywhere in an AS Path to that prefix. That an AS is shown as not seeing a particular prefix only indicates that this does not appear in the RIS.

All AS Paths...

28895 1299 12654
28917 1299 12654
16150 12654
12859 16150 12654
13237 16150 12654
25462 16150 12654
29686 16150 12654
3333 16150 12654
20483 12976 8195 16150 12654
8331 12695 20483 12976 8195 16150 12654
3277 20483 12976 8195 16150 12654
8331 20483 12976 8195 16150 12654
28895 8631 20483 12976 8195 16150 12654
28917 8631 20483 12976 8195 16150 12654
29329 8631 20483 12976 8195 16150 12654
8434 8210 16150 12654
8434 16150 12654
12859 20562 12654
13030 20562 12654
13237 20562 12654
15435 20562 12654
20640 20562 12654
25462 20562 12654
29686 20562 12654
3333 20562 12654
5417 20562 12654
8434 8210 20562 12654
20932 12654
12859 25232 12654
13237 25232 12654
13030 174 25232 12654
15837 174 25232 12654
25462 16150 174 25232 12654
16215 174 25232 12654
8596 1901 174 25232 12654
20640 174 25232 12654
20932 174 25232 12654
25462 174 25232 12654
29222 174 25232 12654
3333 174 25232 12654
39469 174 25232 12654
5392 174 25232 12654
8434 174 25232 12654
8447 174 25232 12654
8763 174 25232 12654
25462 25232 12654
286 25232 12654
13237 286 25232 12654
1853 286 25232 12654
25462 286 25232 12654
25462 286 286 286 25232 12654
3741 286 286 286 25232 12654
29222 286 25232 12654
29686 286 25232 12654
3741 286 25232 12654
513 286 25232 12654
1853 20965 11537 10764 513 286 25232 12654
7575 11537 10764 513 286 25232 12654
12350 513 286 25232 12654
13030 513 286 25232 12654
16215 513 286 25232 12654
20932 513 286 25232 12654
29222 513 286 25232 12654
1103 20965 11537 513 513 286 25232 12654
1853 20965 11537 513 513 286 25232 12654
559 20965 11537 513 513 286 25232 12654
7575 11537 513 513 286 25232 12654
3356 513 513 286 25232 12654
25462 3356 513 513 286 25232 12654
3333 3356 513 513 286 25232 12654
1103 20965 11537 10764 6509 513 286 25232 12654
1853 20965 11537 10764 6509 513 286 25232 12654
559 20965 11537 10764 6509 513 286 25232 12654
7575 11537 10764 6509 513 286 25232 12654
559 286 25232 12654
1103 20965 559 286 25232 12654
513 11537 11537 20965 559 286 25232 12654
12350 513 11537 11537 20965 559 286 25232 12654
16215 513 11537 11537 20965 559 286 25232 12654
29222 513 11537 11537 20965 559 286 25232 12654
1853 20965 559 286 25232 12654
7575 24490 20965 559 286 25232 12654
7575 20965 559 286 25232 12654
2857 8365 286 25232 12654
8447 286 25232 12654
8763 286 25232 12654
15837 8881 286 25232 12654
2857 8928 286 25232 12654
29686 25232 12654
3549 3320 25232 12654
3333 25232 12654
12793 6461 25232 12654
20640 6461 25232 12654
2857 6461 25232 12654
286 6461 25232 12654
29686 6461 25232 12654
8447 6461 25232 12654
8763 6461 25232 12654
15837 8881 6461 25232 12654
20483 12976 8195 25232 12654
8331 12695 20483 12976 8195 25232 12654
3277 20483 12976 8195 25232 12654
8331 20483 12976 8195 25232 12654
28895 8631 20483 12976 8195 25232 12654
28917 8631 20483 12976 8195 25232 12654
29329 8631 20483 12976 8195 25232 12654
8434 8210 25232 12654
8447 25232 12654
6881 6706 8447 25232 12654
12350 8928 25232 12654
12779 8928 25232 12654
13237 8928 25232 12654
22691 8928 25232 12654
3741 8928 25232 12654
5392 8928 25232 12654
6881 8928 25232 12654
8763 8928 25232 12654
15837 8881 8928 25232 12654
25462 12654
1103 25462 12654
8331 12695 25462 12654
12793 25462 12654
8596 12793 25462 12654
12859 25462 12654
13030 25462 12654
13237 25462 12654
15837 25462 12654
13237 16150 25462 12654
8596 1901 25462 12654
21202 25462 12654
2497 25462 12654
4777 2497 25462 12654
2857 25462 12654
29686 25462 12654
3257 25462 12654
3549 3257 25462 12654
6881 3257 25462 12654
15837 8881 3257 25462 12654
3333 25462 12654
3356 25462 12654
12779 3356 25462 12654
3333 3356 25462 12654
513 3356 3356 25462 12654
7575 11537 10764 513 3356 3356 25462 12654
16215 513 3356 3356 25462 12654
29222 513 3356 3356 25462 12654
1853 20965 11537 513 513 3356 3356 25462 12654
3741 25462 12654
20640 6695 25462 12654
7575 25462 12654
20483 8631 25462 12654
20485 30733 12976 20483 8631 25462 12654
12859 8195 12976 20483 8631 25462 12654
1299 8195 12976 20483 8631 25462 12654
28917 1299 8195 12976 20483 8631 25462 12654
13237 8195 12976 20483 8631 25462 12654
16150 8195 12976 20483 8631 25462 12654
20640 8195 12976 20483 8631 25462 12654
21202 8195 12976 20483 8631 25462 12654
3549 8195 12976 20483 8631 25462 12654
513 3549 3549 8195 12976 20483 8631 25462 12654
16215 513 3549 3549 8195 12976 20483 8631 25462 12654
29222 513 3549 3549 8195 12976 20483 8631 25462 12654
3549 6453 8195 12976 20483 8631 25462 12654
12350 8928 8195 12976 20483 8631 25462 12654
12779 8928 8195 12976 20483 8631 25462 12654
13237 8928 8195 12976 20483 8631 25462 12654
22691 8928 8195 12976 20483 8631 25462 12654
3356 8928 8195 12976 20483 8631 25462 12654
12779 3356 8928 8195 12976 20483 8631 25462 12654
3741 8928 8195 12976 20483 8631 25462 12654
5392 8928 8195 12976 20483 8631 25462 12654
6881 8928 8195 12976 20483 8631 25462 12654
3741 9009 8195 12976 20483 8631 25462 12654
28895 8470 12976 20483 8631 25462 12654
28895 2118 20483 8631 25462 12654
3277 3267 2118 20483 8631 25462 12654
12793 8342 2118 20483 8631 25462 12654
3356 8342 2118 20483 8631 25462 12654
8331 8402 2118 20483 8631 25462 12654
29329 20483 8631 25462 12654
3277 20483 8631 25462 12654
8331 20483 8631 25462 12654
8331 8402 20483 8631 25462 12654
28895 8631 25462 12654
28917 8631 25462 12654
29329 8631 25462 12654
3277 8631 25462 12654
8331 8631 25462 12654
22691 2914 12654
39469 2914 12654
3277 6820 3246 12654
2497 6453 12654
4777 2497 6453 12654
286 6453 12654
22691 2914 6453 12654
25462 3257 6453 12654
6881 25512 3257 6453 12654
22548 8167 3320 6453 12654
12779 3356 6453 12654
3549 6453 12654
13237 3549 6453 12654
513 3549 3549 6453 12654
12350 513 3549 3549 6453 12654
16215 513 3549 3549 6453 12654
29222 513 3549 3549 6453 12654
5392 3549 6453 12654
4608 1221 4637 6453 12654
29686 5511 6453 12654
3333 6320 6453 12654
6762 6453 12654
7018 6453 12654
6762 12654
12779 1239 6762 12654
1853 1239 6762 12654
8596 1901 1239 6762 12654
6140 1239 6762 12654
7018 1239 6762 12654
39469 174 6762 12654
3549 6762 12654
27664 3549 6762 12654
4608 1221 4637 6762 12654
29686 5511 6762 12654
7575 6762 12654
22548 8167 6762 12654
3333
1103 3333
22691 1273 1103 3333
1853 20965 1103 3333
559 20965 1103 3333
7575 20965 1103 3333
3549 1103 3333
16186 21318 21318 3549 1103 3333
27664 3549 1103 3333
12859 3333
12793 12859 3333
15837 12859 3333
16215 174 12859 3333
25232 174 12859 3333
39469 174 12859 3333
5392 174 12859 3333
8447 174 12859 3333
20562 12859 3333
20640 12859 3333
2857 12859 3333
286 12859 3333
29222 286 12859 3333
513 286 12859 3333
29686 12859 3333
39637 12859 3333
8763 12859 3333
34225 8820 12859 3333
28895 1299 3333
28917 1299 3333
13030 3333
13237 3333
15435 3333
20932 3333
25462 3333
3277 3267 3343 25462 3333
286 3333
29686 3333
12350 3257 3333
8596 1901 3257 3333
6881 25512 3257 3333
3356 3333
8331 12695 12695 3356 3333
12779 3356 3333
2497 3356 3333
4777 2497 3356 3333
4608 1221 4637 3356 3333
22548 4230 701 3356 3333
7018 3356 3333
5417 3333
3741 6320 3333
6453 6320 3333
6762 3333
20483 12976 8195 3333


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