Bogon Dotted Decimal List

v6.3, 06 August 2010, maintained by the Team Cymru NOC, noc@cymru.com

Be sure to check out the main Bogon Reference for more information on the project and terminology used, and why it is important to keep your bogon filters up-to-date.

[ Dotted Decimal Non-aggregated ]       [ Dotted Decimal Aggregated ]

[ Cisco ACL Non-aggregated ]       [ Cisco ACL Aggregated ]

Dotted Decimal Non-aggregated

0.0.0.0 255.0.0.0
5.0.0.0 255.0.0.0
10.0.0.0 255.0.0.0
23.0.0.0 255.0.0.0
36.0.0.0 255.0.0.0
37.0.0.0 255.0.0.0
39.0.0.0 255.0.0.0
42.0.0.0 255.0.0.0
100.0.0.0 255.0.0.0
102.0.0.0 255.0.0.0
103.0.0.0 255.0.0.0
104.0.0.0 255.0.0.0
105.0.0.0 255.0.0.0
106.0.0.0 255.0.0.0
127.0.0.0 255.0.0.0
169.254.0.0 255.255.0.0
172.16.0.0 255.240.0.0
179.0.0.0 255.0.0.0
185.0.0.0 255.0.0.0
192.0.0.0 255.255.255.0
192.0.2.0 255.255.255.0
192.168.0.0 255.255.0.0
198.18.0.0 255.254.0.0
198.51.100.0 255.255.255.0
203.0.113.0 255.255.255.0
224.0.0.0 224.0.0.0

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Dotted Decimal Aggregated

The following aggregations follow proper boundaries and are suitable for use in black hole routes. If proper boundaries are not followed it is possible to further aggregate, though this likely won't work on most gear.

0.0.0.0 255.0.0.0
5.0.0.0 255.0.0.0
10.0.0.0 255.0.0.0
23.0.0.0 255.0.0.0
36.0.0.0 254.0.0.0
39.0.0.0 255.0.0.0
42.0.0.0 255.0.0.0
100.0.0.0 255.0.0.0
102.0.0.0 254.0.0.0
104.0.0.0 254.0.0.0
106.0.0.0 255.0.0.0
127.0.0.0 255.0.0.0
169.254.0.0 255.255.0.0
172.16.0.0 255.240.0.0
179.0.0.0 255.0.0.0
185.0.0.0 255.0.0.0
192.0.0.0 255.255.255.0
192.0.2.0 255.255.255.0
192.168.0.0 255.255.0.0
198.18.0.0 255.254.0.0
198.51.100.0 255.255.255.0
203.0.113.0 255.255.255.0
224.0.0.0 224.0.0.0

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Cisco ACL Non-aggregated

0.0.0.0 0.255.255.255
5.0.0.0 0.255.255.255
10.0.0.0 0.255.255.255
23.0.0.0 0.255.255.255
36.0.0.0 0.255.255.255
37.0.0.0 0.255.255.255
39.0.0.0 0.255.255.255
42.0.0.0 0.255.255.255
100.0.0.0 0.255.255.255
102.0.0.0 0.255.255.255
103.0.0.0 0.255.255.255
104.0.0.0 0.255.255.255
105.0.0.0 0.255.255.255
106.0.0.0 0.255.255.255
127.0.0.0 0.255.255.255
169.254.0.0 0.0.255.255
172.16.0.0 0.15.255.255
179.0.0.0 0.255.255.255
185.0.0.0 0.255.255.255
192.0.0.0 0.0.0.255
192.0.2.0 0.0.0.255
192.168.0.0 0.0.255.255
198.18.0.0 0.1.255.255
198.51.100.0 0.0.0.255
203.0.113.0 0.0.0.255
224.0.0.0 31.255.255.255

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Cisco ACL Aggregated

The following aggregations work with Cisco ACLs, and are aligned on proper boundaries.

0.0.0.0 0.255.255.255
5.0.0.0 0.255.255.255
10.0.0.0 0.255.255.255
23.0.0.0 0.255.255.255
36.0.0.0 1.255.255.255
39.0.0.0 0.255.255.255
42.0.0.0 0.255.255.255
100.0.0.0 0.255.255.255
102.0.0.0 1.255.255.255
104.0.0.0 1.255.255.255
106.0.0.0 0.255.255.255
127.0.0.0 0.255.255.255
169.254.0.0 0.0.255.255
172.16.0.0 0.15.255.255
179.0.0.0 0.255.255.255
185.0.0.0 0.255.255.255
192.0.0.0 0.0.0.255
192.0.2.0 0.0.0.255
192.168.0.0 0.0.255.255
198.18.0.0 0.1.255.255
198.51.100.0 0.0.0.255
203.0.113.0 0.0.0.255
224.0.0.0 31.255.255.255

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