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[routing-wg] Bogon ASN Filter Policy

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Job Snijders job at ntt.net
Fri Jun 3 10:26:23 CEST 2016
Dear Hank,

On Fri, Jun 03, 2016 at 07:53:50AM +0300, Hank Nussbacher wrote:
> On 02/06/2016 22:43, Job Snijders wrote:
> > Bogon ASNs are currently defined as following:
> >
> >     0                       # Reserved RFC7607
> >     23456                   # AS_TRANS RFC6793
> >     64496-64511             # Reserved for use in docs and code RFC5398
> >     64512-65534             # Reserved for Private Use RFC6996
> >     65535                   # Reserved RFC7300
> >     65536-65551             # Reserved for use in docs and code RFC5398
> >     65552-131071            # Reserved
> >     4200000000-4294967294   # Reserved for Private Use RFC6996
> >     4294967295              # Reserved RFC7300
> >
> > References:
> > [3]: https://www.iana.org/assignments/as-numbers/as-numbers.xhtml
> > [4]: http://as2914.net/bogon_asns/configuration_examples.txt
>
> You guys are my heroes!    If 4-5 tier-0 ISPs would do exactly this,
> bogus ASNs would disappear in a week. 

GTT also committed to deploying the same filter:

	http://mailman.nanog.org/pipermail/nanog/2016-June/086081.html

> Instead everyone talks while > the problem gets larger (now over 5000):
> http://www.cidr-report.org/as2.0/bogus-as-advertisements.html

I'd like to clear up some potential for confusion: we only targetting
what has been defined in the list at the top of this email, not what are
considered "unallocated" ASNs. (Although we do monitor for that and
resolve any adjacencies we might have with such ASNs).

Below is a copy+paste from the weekly report which drives our outreach
effort. We recognise two types of prefixes: "Problem prefixes" and
"problems resolved by a less specific".

It seems likely that the "saved by overlapping less-specific" ones are
the result of accidental exposure of something that should remain
internal, and the "problem prefixes" are likely to be misconfigurations
or software issues.

Hopefully, by the time we deploy the new policy, all of these have been
resolved. If not, we're probbly looking at the low hundreds, not 5000.

Kind regards,

Job

---------- report below -----------

Subject: Weekly report: ASN Bogon Filter impact - 2016.06.02

Dear reader,

This is an automated report to provide insight into the effects
of the new Bogon ASN as-path filters NTT will deploy in July 2016.

This script parses a full table RIB dump as seen from a customer
perspective (kiera.meerval.net in Amsterdam) and searches which prefixes
would be dropped without causing too much concern, and which prefixes will
fall off the routing table.

    Bogon ASNs are defined as: 0, 23456, 64496-131071, 4200000000-4294967295


Problem prefixes: (140 issues)
-----------------------------

     172.86.191.0/24 (path: 2914 174 32489 65535 )
     143.0.108.0/22 (path: 2914 174 18747 64339 )
     185.5.141.0/24 (path: 2914 174 5563 65300 5563 )
     104.254.94.0/24 (path: 2914 174 32489 65535 )
     185.52.40.0/22 (path: 2914 174 2116 64329 )
     185.121.40.0/22 (path: 2914 174 35369 65369 4200000001 )
     195.88.106.0/23 (path: 2914 174 2116 64329 )
     23.111.250.0/24 (path: 2914 174 15003 15003 15003 15003 15003 15003 15003 64666 )
     2a07:7ec7:3c00::/38 (path: 2914 174 20473 65534 64515 64539 )
     2a07:7ec6:2c00::/38 (path: 2914 174 20473 65534 64515 64539 )
     2a07:7ec6:7800::/38 (path: 2914 174 20473 65534 64515 64539 )
     2a07:7ec4:4000::/38 (path: 2914 174 20473 65534 64515 64539 )
     2a07:7ec4:f800::/38 (path: 2914 174 20473 65534 64515 64539 )
     108.57.142.0/23 (path: 2914 701 64512 )
     108.57.144.0/21 (path: 2914 701 64512 )
     108.57.152.0/21 (path: 2914 701 64512 )
     46.229.74.0/23 (path: 2914 1273 12389 25549 65526 )
     122.15.0.0/16 (path: 2914 1273 55410 26685 55917 65001 65002 65003 134007 134041 134304 )
     112.133.192.0/18 (path: 2914 1273 55410 24186 45851 59194 64608 )
     182.19.80.0/21 (path: 2914 1273 55410 58906 65001 )
     176.103.176.0/20 (path: 2914 1299 24589 23456 )
     176.103.192.0/21 (path: 2914 1299 24589 23456 )
     2a00:75e0::/32 (path: 2914 1299 2116 64329 )
     208.78.104.0/21 (path: 2914 2828 13703 22626 64512 )
     103.197.240.0/22 (path: 2914 3257 9498 9730 23456 )
     103.199.88.0/22 (path: 2914 3257 9498 9730 23456 )
     137.59.8.0/22 (path: 2914 3257 9498 9730 23456 )
     103.225.224.0/22 (path: 2914 3257 9498 9730 23456 )
     111.235.148.0/22 (path: 2914 3257 9498 9730 23456 )
     80.90.160.0/20 (path: 2914 3257 48832 48832 48832 48832 48832 48832 48832 48832 48832 48832 65545 )
     188.247.64.0/19 (path: 2914 3257 48832 48832 48832 48832 48832 48832 48832 48832 48832 48832 65545 )
     192.96.139.0/24 (path: 2914 3356 11845 65610 )
     186.226.16.0/20 (path: 2914 3356 3549 16594 23456 262763 )
     91.233.214.0/23 (path: 2914 3356 24589 23456 )
     194.169.32.0/20 (path: 2914 4589 8190 4200000246 )
     2001:df0:458::/48 (path: 2914 4755 18229 64701 65502 65309 )
     103.57.64.0/22 (path: 2914 4755 133987 65350 )
     162.247.245.0/24 (path: 2914 6327 55117 64512 )
     103.12.168.0/24 (path: 2914 6453 6453 4755 132329 132329 132329 132329 23456 23456 23456 )
     185.103.109.0/24 (path: 2914 6461 43350 23456 )
     31.220.112.0/21 (path: 2914 6663 31317 65528 )
     190.13.94.0/24 (path: 2914 6762 7303 262195 23456 52351 )
     200.59.127.0/24 (path: 2914 6762 7303 262195 23456 262195 262195 10617 )
     200.59.120.0/24 (path: 2914 6762 7303 262195 23456 262195 262195 10617 )
     200.59.121.0/24 (path: 2914 6762 7303 262195 23456 262195 262195 10617 )
     200.0.209.0/24 (path: 2914 6762 7303 262195 23456 7005 7005 7005 )
     200.0.210.0/24 (path: 2914 6762 7303 262195 23456 7005 7005 7005 )
     200.0.211.0/24 (path: 2914 6762 7303 262195 23456 7005 7005 7005 )
     2a07:33c0::/29 (path: 2914 6830 12676 54431 65100 )
     192.108.127.0/24 (path: 2914 7029 393543 65001 )
     70.40.139.0/24 (path: 2914 7029 19397 64712 )
     93.95.176.0/24 (path: 2914 8928 15924 65411 )
     79.170.168.0/24 (path: 2914 8928 15924 65411 )
     213.252.251.0/24 (path: 2914 9002 9002 9002 9002 9002 42979 201201 199527 65529 199527 199527 )
     2a03:7380:4000::/42 (path: 2914 9002 13188 64604 )
     2a03:7380:4040::/42 (path: 2914 9002 13188 64604 )
     91.102.64.0/21 (path: 2914 9009 9009 9009 65433 )
     185.91.236.0/23 (path: 2914 9009 9009 9009 65052 )
     93.113.208.0/22 (path: 2914 9009 6910 65002 )
     103.16.229.0/24 (path: 2914 9304 133398 64513 )
     103.195.54.0/24 (path: 2914 9498 58601 24323 65005 64058 )
     103.195.55.0/24 (path: 2914 9498 58601 24323 65005 64058 )
     2400:5200:1400::/40 (path: 2914 9498 55410 38266 65001 65010 )
     188.65.30.0/24 (path: 2914 9498 8529 8529 8529 8529 8529 8529 8529 8529 28885 65535 15679 15679 )
     188.65.31.0/24 (path: 2914 9498 8529 8529 8529 8529 8529 8529 8529 8529 28885 65535 15679 15679 )
     188.65.26.0/24 (path: 2914 9498 8529 8529 8529 8529 8529 8529 8529 8529 28885 65535 15679 15679 15679 15679 15679 15679 15679 )
     188.65.27.0/24 (path: 2914 9498 8529 8529 8529 8529 8529 8529 8529 8529 28885 65535 15679 15679 15679 15679 15679 15679 15679 )
     188.65.24.0/24 (path: 2914 9498 8529 8529 8529 8529 8529 8529 8529 8529 28885 65535 15679 15679 )
     188.65.25.0/24 (path: 2914 9498 8529 8529 8529 8529 8529 8529 8529 8529 28885 65535 15679 15679 )
     210.24.208.0/24 (path: 2914 10026 4628 9255 65010 )
     210.24.209.0/24 (path: 2914 10026 4628 9255 65010 )
     210.24.216.0/24 (path: 2914 10026 4628 9255 65010 )
     210.24.218.0/24 (path: 2914 10026 4628 9255 65010 )
     210.24.219.0/24 (path: 2914 10026 4628 9255 65010 )
     210.24.212.0/24 (path: 2914 10026 4628 9255 65010 )
     210.24.214.0/24 (path: 2914 10026 4628 9255 65010 )
     210.24.210.0/24 (path: 2914 10026 4628 9255 65010 )
     142.148.224.0/24 (path: 2914 12179 14630 64512 )
     142.148.225.0/24 (path: 2914 12179 14630 64512 )
     46.151.104.0/21 (path: 2914 12389 21453 49893 50802 65001 )
     5.143.176.0/20 (path: 2914 12389 15468 65001 )
     195.135.240.0/22 (path: 2914 12389 21453 49893 50802 65001 )
     192.150.214.0/23 (path: 2914 13768 65013 )
     208.86.242.0/24 (path: 2914 14265 46926 65001 46926 46926 46926 46926 46926 46926 )
     192.16.2.0/24 (path: 2914 15133 65405 )
     192.16.3.0/24 (path: 2914 15133 65405 )
     178.173.158.0/24 (path: 2914 15412 12880 31549 65533 1756 )
     178.173.159.0/24 (path: 2914 15412 12880 31549 65533 1756 )
     178.173.156.0/24 (path: 2914 15412 12880 31549 65533 1756 )
     178.173.157.0/24 (path: 2914 15412 12880 31549 65533 1756 )
     178.173.154.0/24 (path: 2914 15412 12880 31549 65533 1756 )
     178.173.155.0/24 (path: 2914 15412 12880 31549 65533 1756 )
     178.173.152.0/24 (path: 2914 15412 12880 31549 65533 1756 )
     178.173.153.0/24 (path: 2914 15412 12880 31549 65533 1756 )
     178.173.147.0/24 (path: 2914 15412 12880 31549 65533 1756 )
     178.173.148.0/24 (path: 2914 15412 12880 31549 65533 1756 )
     178.173.128.0/24 (path: 2914 15412 12880 31549 65533 1756 )
     178.173.142.0/24 (path: 2914 15412 12880 31549 65533 1756 )
     178.173.143.0/24 (path: 2914 15412 12880 31549 65533 1756 )
     178.173.140.0/24 (path: 2914 15412 12880 31549 65533 1756 )
     178.173.141.0/24 (path: 2914 15412 12880 31549 65533 1756 )
     178.173.217.0/24 (path: 2914 15412 12880 31549 65533 1756 )
     178.173.222.0/24 (path: 2914 15412 12880 31549 65533 1756 )
     178.173.223.0/24 (path: 2914 15412 12880 31549 65533 1756 )
     178.173.220.0/24 (path: 2914 15412 12880 31549 65533 1756 )
     178.173.221.0/24 (path: 2914 15412 12880 31549 65533 1756 )
     178.173.206.0/24 (path: 2914 15412 12880 31549 65533 1756 )
     178.173.204.0/24 (path: 2914 15412 12880 31549 65533 1756 )
     178.173.205.0/24 (path: 2914 15412 12880 31549 65533 1756 )
     178.173.190.0/24 (path: 2914 15412 12880 31549 65533 1756 )
     178.173.180.0/24 (path: 2914 15412 12880 31549 65533 1756 )
     178.173.181.0/24 (path: 2914 15412 12880 31549 65533 1756 )
     178.173.168.0/24 (path: 2914 15412 12880 31549 65533 1756 )
     178.173.169.0/24 (path: 2914 15412 12880 31549 65533 1756 )
     194.69.42.0/24 (path: 2914 15830 65501 21160 21160 )
     91.208.64.0/24 (path: 2914 20485 198816 65005 47593 )
     199.7.166.0/24 (path: 2914 22626 64512 )
     199.7.167.0/24 (path: 2914 22626 64512 )
     208.83.6.0/23 (path: 2914 22626 64512 )
     2620:be:8000::/48 (path: 2914 22773 64514 )
     2602:ff61::/48 (path: 2914 22773 65005 )
     130.0.231.0/24 (path: 2914 23352 39470 18919 65156 )
     143.41.0.0/21 (path: 2914 25180 4200000368 )
     143.41.8.0/21 (path: 2914 25180 4200000501 )
     185.129.208.0/24 (path: 2914 25180 4200000382 )
     185.129.209.0/24 (path: 2914 25180 4200000382 )
     139.143.0.0/16 (path: 2914 25180 4200000318 )
     185.52.36.0/22 (path: 2914 25180 4200000090 )
     195.95.131.0/24 (path: 2914 25180 4200000365 )
     176.122.192.0/23 (path: 2914 25180 4200000402 )
     82.139.64.0/18 (path: 2914 41887 41887 65031 )
     185.117.10.0/24 (path: 2914 44217 65500 )
     185.117.8.0/24 (path: 2914 44217 65500 )
     185.117.9.0/24 (path: 2914 44217 65500 )
     185.117.11.0/24 (path: 2914 44217 65500 )
     91.234.228.0/24 (path: 2914 47872 20771 16010 65009 198874 )
     119.235.130.0/24 (path: 2914 63928 24427 64928 )
     119.235.131.0/24 (path: 2914 63928 24427 64928 )
     119.235.128.0/24 (path: 2914 63928 24427 64928 )
     119.235.129.0/24 (path: 2914 63928 24427 64928 )


resolved by virtue of existing overlapping prefix:
--------------------------------------------------

109.161.0.0/17 (path: 2914 12389 13118 13118 ) contains:
     109.161.56.0/24 (path: 2914 12389 13118 13118 65001 )

109.225.0.0/18 (path: 2914 12389 44237 15468 ) contains:
     109.225.32.0/20 (path: 2914 12389 15468 65001 )
     109.225.48.0/20 (path: 2914 12389 15468 65001 )
     109.225.0.0/20 (path: 2914 12389 15468 65001 )
     109.225.16.0/20 (path: 2914 12389 15468 65001 )

115.127.0.0/18 (path: 2914 132602 132602 132602 132602 132602 58656 24342 ) contains:
     115.127.41.0/24 (path: 2914 9498 58655 9230 65534 24342 )

116.50.64.0/18 (path: 2914 3257 9498 38529 ) contains:
     116.50.78.0/23 (path: 2914 9498 38529 64520 )
     116.50.80.0/24 (path: 2914 9498 38529 64520 )
     116.50.90.0/24 (path: 2914 4755 38529 64520 )
     116.50.85.0/24 (path: 2914 9498 38529 64520 )

123.30.64.0/20 (path: 2914 58453 45899 7643 ) contains:
     123.30.74.0/24 (path: 2914 58453 45899 45899 65512 )
     123.30.75.0/24 (path: 2914 58453 45899 45899 65512 )

124.92.0.0/14 (path: 2914 4837 4837 ) contains:
     124.93.212.0/23 (path: 2914 4837 65501 )
     124.93.214.0/23 (path: 2914 4837 65501 )

135.84.176.0/22 (path: 2914 13768 54527 ) contains:
     135.84.177.0/24 (path: 2914 6327 54527 63213 65002 )

152.176.0.0/12 (path: 2914 701 ) contains:
     152.178.135.0/24 (path: 2914 701 64512 )

154.72.52.0/23 (path: 2914 174 327797 ) contains:
     154.72.52.0/24 (path: 2914 174 327797 65502 )

157.254.228.0/22 (path: 2914 174 7332 11648 ) contains:
     157.254.229.0/24 (path: 2914 4755 65805 )

167.219.60.0/23 (path: 2914 703 30337 30337 30337 30337 30337 30337 30337 30337 30337 30337 30337 ) contains:
     167.219.60.0/24 (path: 2914 4755 30337 65001 )

173.231.64.0/19 (path: 2914 174 26801 19159 ) contains:
     173.231.76.0/24 (path: 2914 174 26801 19159 19159 64573 )

174.35.0.0/17 (path: 2914 3257 36408 ) contains:
     174.35.0.0/24 (path: 2914 14265 65204 )

178.60.192.0/18 (path: 2914 174 12334 ) contains:
     178.60.197.0/24 (path: 2914 174 12334 199949 64555 )

185.66.84.0/22 (path: 2914 9002 9049 201706 ) contains:
     185.66.86.0/24 (path: 2914 9002 9049 201706 65555 )

188.247.64.0/19 (path: 2914 3257 48832 48832 48832 48832 48832 48832 48832 48832 48832 48832 65545 ) contains:
     188.247.72.0/21 (path: 2914 3257 48832 48832 48832 48832 48832 48832 48832 48832 48832 48832 65545 )

188.65.28.0/23 (path: 2914 9498 8529 8529 8529 8529 8529 8529 8529 8529 28885 ) contains:
     188.65.28.0/24 (path: 2914 9498 8529 8529 8529 8529 8529 8529 8529 8529 28885 65535 15679 15679 )
     188.65.29.0/24 (path: 2914 9498 8529 8529 8529 8529 8529 8529 8529 8529 28885 65535 15679 15679 )

190.131.192.0/18 (path: 2914 23520 ) contains:
     190.131.193.0/24 (path: 2914 23520 262191 65499 )
     190.131.198.0/24 (path: 2914 23520 262191 65475 )

190.68.128.0/19 (path: 2914 12956 3816 ) contains:
     190.68.130.0/24 (path: 2914 12956 3816 3816 3816 3816 3816 65329 3816 )

194.204.192.0/18 (path: 2914 12956 6713 ) contains:
     194.204.217.0/24 (path: 2914 174 6713 6713 6713 6713 6713 6713 6713 36956 65375 )

194.70.0.0/16 (path: 2914 1273 2529 ) contains:
     194.70.246.0/24 (path: 2914 1273 65539 )

195.135.240.0/22 (path: 2914 12389 21453 49893 50802 65001 ) contains:
     195.135.240.0/23 (path: 2914 12389 21453 49893 50802 65001 )
     195.135.242.0/23 (path: 2914 12389 21453 49893 50802 65001 )

195.46.128.0/19 (path: 2914 8928 15924 ) contains:
     195.46.147.0/24 (path: 2914 8928 15924 65121 )

195.87.0.0/16 (path: 2914 8928 15924 8386 ) contains:
     195.87.13.0/24 (path: 2914 8928 15924 8386 65412 )
     195.87.42.0/24 (path: 2914 8928 15924 64512 )

199.204.224.0/22 (path: 2914 3356 4323 40059 ) contains:
     199.204.224.0/24 (path: 2914 2828 6181 40059 65433 )

199.45.32.0/19 (path: 2914 701 ) contains:
     199.45.53.0/24 (path: 2914 701 65403 )
     199.45.54.0/24 (path: 2914 701 65403 )

200.149.0.0/16 (path: 2914 286 7738 ) contains:
     200.149.212.0/24 (path: 2914 12956 7738 65017 )

2001:578::/30 (path: 2914 22773 ) contains:
     2001:57a:eff1::/48 (path: 2914 22773 64517 )

204.76.144.0/21 (path: 2914 2828 6128 63254 ) contains:
     204.76.148.0/22 (path: 2914 174 46887 63254 64512 )

205.177.0.0/16 (path: 2914 3491 ) contains:
     205.177.67.0/24 (path: 2914 3491 65536 )
     205.177.68.0/24 (path: 2914 3491 65536 )

206.154.0.0/19 (path: 2914 209 17402 ) contains:
     206.154.0.0/20 (path: 2914 209 4200000006 )

207.245.64.0/18 (path: 2914 3491 6372 ) contains:
     207.245.119.0/24 (path: 2914 2828 6372 65006 )

207.250.0.0/16 (path: 2914 3356 4323 ) contains:
     207.250.99.0/24 (path: 2914 17054 13492 64600 )

208.78.104.0/21 (path: 2914 2828 13703 22626 64512 ) contains:
     208.78.111.0/24 (path: 2914 22626 64512 )

208.97.0.0/19 (path: 2914 174 31877 ) contains:
     208.97.12.0/22 (path: 2914 40111 40111 65003 )
     208.97.19.0/24 (path: 2914 174 31877 65004 )

212.106.32.0/19 (path: 2914 12389 44237 15468 ) contains:
     212.106.48.0/21 (path: 2914 12389 15468 65001 )
     212.106.56.0/21 (path: 2914 12389 15468 65001 )
     212.106.32.0/21 (path: 2914 12389 15468 65001 )
     212.106.40.0/21 (path: 2914 12389 15468 65001 )

212.139.0.0/16 (path: 2914 13285 13285 13285 13285 13285 13285 13285 9105 ) contains:
     212.139.133.0/24 (path: 2914 6453 13285 65160 )

212.15.0.0/19 (path: 2914 8928 15924 ) contains:
     212.15.5.0/24 (path: 2914 8928 15924 65077 )

212.154.128.0/17 (path: 2914 12389 9198 50482 ) contains:
     212.154.167.0/24 (path: 2914 12389 9198 50482 64605 )
     212.154.205.0/24 (path: 2914 12389 9198 50482 64605 )

212.19.128.0/19 (path: 2914 12389 9198 50482 ) contains:
     212.19.130.0/24 (path: 2914 12389 9198 50482 64804 )

212.26.224.0/19 (path: 2914 12389 12730 ) contains:
     212.26.238.0/24 (path: 2914 12389 12730 65001 )

213.131.64.0/19 (path: 2914 6762 24863 ) contains:
     213.131.92.0/22 (path: 2914 15412 24863 37069 64639 )

213.160.128.0/19 (path: 2914 702 3252 12963 ) contains:
     213.160.148.0/24 (path: 2914 702 3252 12963 64564 )

213.52.192.0/18 (path: 2914 15830 ) contains:
     213.52.252.0/22 (path: 2914 15830 65501 39882 )

217.15.128.0/19 (path: 2914 12389 44237 13118 ) contains:
     217.15.137.0/24 (path: 2914 12389 13118 13118 65001 )
     217.15.149.0/24 (path: 2914 12389 13118 13118 65001 )
     217.15.156.0/23 (path: 2914 12389 13118 13118 65001 )

217.20.32.0/20 (path: 2914 15830 ) contains:
     217.20.41.0/24 (path: 2914 15830 65501 39882 )

221.200.0.0/14 (path: 2914 4837 4837 ) contains:
     221.203.248.0/22 (path: 2914 4837 64920 )
     221.203.252.0/22 (path: 2914 4837 64920 )
     221.203.244.0/23 (path: 2914 4837 64920 )
     221.203.246.0/23 (path: 2914 4837 64920 )

27.248.0.0/14 (path: 2914 9498 10201 10201 10201 10201 10201 10201 ) contains:
     27.248.64.0/18 (path: 2914 9498 10201 65500 )
     27.248.128.0/19 (path: 2914 9498 10201 65500 )
     27.248.96.0/19 (path: 2914 9498 10201 65500 )

31.172.192.0/19 (path: 2914 12389 44237 15468 ) contains:
     31.172.192.0/20 (path: 2914 12389 15468 65001 )
     31.172.192.0/21 (path: 2914 12389 15468 65001 )
     31.172.208.0/21 (path: 2914 12389 15468 65001 )
     31.172.216.0/21 (path: 2914 12389 15468 65001 )
     31.172.200.0/21 (path: 2914 12389 15468 65001 )

37.1.240.0/20 (path: 2914 6461 8218 48072 ) contains:
     37.1.241.0/24 (path: 2914 1299 29075 48072 31167 65623 )
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37.142.0.0/16 (path: 2914 174 12849 ) contains:
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37.235.32.0/21 (path: 2914 8928 12715 43160 ) contains:
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37.26.104.0/21 (path: 2914 39326 52148 ) contains:
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38.0.0.0/8 (path: 2914 174 ) contains:
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41.223.84.0/22 (path: 2914 3356 37273 37075 ) contains:
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41.89.0.0/16 (path: 2914 30844 36914 ) contains:
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46.151.104.0/21 (path: 2914 12389 21453 49893 50802 65001 ) contains:
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     46.151.108.0/22 (path: 2914 12389 21453 49893 50802 65001 )

46.237.0.0/18 (path: 2914 12389 13118 13118 ) contains:
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60.16.0.0/13 (path: 2914 4837 4837 ) contains:
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64.251.48.0/20 (path: 2914 209 22742 22742 22742 ) contains:
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64.27.240.0/20 (path: 2914 209 16931 ) contains:
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64.72.224.0/19 (path: 2914 6327 6407 6407 ) contains:
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64.83.64.0/20 (path: 2914 7029 ) contains:
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66.110.192.0/19 (path: 2914 174 31877 ) contains:
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66.134.0.0/16 (path: 2914 2828 18566 ) contains:
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66.194.0.0/16 (path: 2914 3356 4323 ) contains:
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67.100.0.0/14 (path: 2914 2828 18566 ) contains:
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67.206.64.0/19 (path: 2914 2828 16399 26895 ) contains:
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69.10.192.0/19 (path: 2914 11404 18530 18530 30170 20394 ) contains:
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69.166.128.0/19 (path: 2914 7029 7349 ) contains:
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70.128.0.0/12 (path: 2914 7018 ) contains:
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71.252.0.0/17 (path: 2914 701 ) contains:
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72.15.144.0/20 (path: 2914 812 812 812 ) contains:
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74.213.144.0/20 (path: 2914 7029 7349 ) contains:
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79.139.72.0/21 (path: 2914 174 24709 29232 ) contains:
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79.172.0.0/18 (path: 2914 174 5563 ) contains:
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8.0.0.0/8 (path: 2914 3356 ) contains:
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80.90.160.0/20 (path: 2914 3257 48832 48832 48832 48832 48832 48832 48832 48832 48832 48832 65545 ) contains:
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82.113.96.0/19 (path: 2914 6805 39706 ) contains:
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84.44.0.0/17 (path: 2914 8928 15924 ) contains:
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86.51.0.0/16 (path: 2914 3257 48237 35819 ) contains:
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91.229.96.0/22 (path: 2914 3257 12389 25549 56957 56957 56957 56957 56957 ) contains:
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91.230.232.0/24 (path: 2914 31313 48338 ) contains:
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92.240.218.0/23 (path: 2914 9002 39735 ) contains:
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92.245.128.0/19 (path: 2914 6461 8218 48072 ) contains:
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93.170.0.0/15 (path: 2914 3257 50245 44546 ) contains:
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94.103.16.0/20 (path: 2914 47886 ) contains:
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94.242.128.0/18 (path: 2914 12389 44237 15468 ) contains:
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     94.242.160.0/20 (path: 2914 12389 15468 65001 )
     94.242.176.0/20 (path: 2914 12389 15468 65001 )
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     94.242.144.0/20 (path: 2914 12389 15468 65001 )
     94.242.144.0/24 (path: 2914 12389 15468 65001 )
     94.242.149.0/24 (path: 2914 12389 15468 65001 )
     94.242.150.0/24 (path: 2914 12389 15468 65001 )
     94.242.151.0/24 (path: 2914 12389 15468 65001 )

94.247.224.0/21 (path: 2914 702 3252 12963 ) contains:
     94.247.231.0/24 (path: 2914 702 3252 12963 64564 )

95.86.192.0/19 (path: 2914 12389 13118 13118 ) contains:
     95.86.212.0/22 (path: 2914 12389 13118 13118 65001 )
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