Bogon Bit Notation 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.

[ Bit Notation Non-aggregated ]       [ Bit Notation Aggregated ]

[ Juniper prefix-list Non-aggregated ]       [ Juniper prefix-list Aggregated ]

Bit Notation Non-aggregated

0.0.0.0/8
5.0.0.0/8
10.0.0.0/8
23.0.0.0/8
36.0.0.0/8
37.0.0.0/8
39.0.0.0/8
42.0.0.0/8
100.0.0.0/8
102.0.0.0/8
103.0.0.0/8
104.0.0.0/8
105.0.0.0/8
106.0.0.0/8
127.0.0.0/8
169.254.0.0/16
172.16.0.0/12
179.0.0.0/8
185.0.0.0/8
192.0.0.0/24
192.0.2.0/24
192.168.0.0/16
198.18.0.0/15
198.51.100.0/24
203.0.113.0/24
224.0.0.0/3

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Bit Notation Aggregated

If proper boundaries are not followed it is possible to further aggregate, though this likely won't work on most gear.

0.0.0.0/8
5.0.0.0/8
10.0.0.0/8
23.0.0.0/8
36.0.0.0/7
39.0.0.0/8
42.0.0.0/8
100.0.0.0/8
102.0.0.0/7
104.0.0.0/7
106.0.0.0/8
127.0.0.0/8
169.254.0.0/16
172.16.0.0/12
179.0.0.0/8
185.0.0.0/8
192.0.0.0/24
192.0.2.0/24
192.168.0.0/16
198.18.0.0/15
198.51.100.0/24
203.0.113.0/24
224.0.0.0/3

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Juniper prefix-list Non-aggregated

policy-options {
prefix-list bogons {
0.0.0.0/8;
5.0.0.0/8;
10.0.0.0/8;
23.0.0.0/8;
36.0.0.0/8;
37.0.0.0/8;
39.0.0.0/8;
42.0.0.0/8;
100.0.0.0/8;
102.0.0.0/8;
103.0.0.0/8;
104.0.0.0/8;
105.0.0.0/8;
106.0.0.0/8;
127.0.0.0/8;
169.254.0.0/16;
172.16.0.0/12;
179.0.0.0/8;
185.0.0.0/8;
192.0.0.0/24;
192.0.2.0/24;
192.168.0.0/16;
198.18.0.0/15;
198.51.100.0/24;
203.0.113.0/24;
224.0.0.0/3;
}
}

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Juniper prefix-list Aggregated

policy-options {
prefix-list bogons {
0.0.0.0/8;
5.0.0.0/8;
10.0.0.0/8;
23.0.0.0/8;
36.0.0.0/7;
39.0.0.0/8;
42.0.0.0/8;
100.0.0.0/8;
102.0.0.0/7;
104.0.0.0/7;
106.0.0.0/8;
127.0.0.0/8;
169.254.0.0/16;
172.16.0.0/12;
179.0.0.0/8;
185.0.0.0/8;
192.0.0.0/24;
192.0.2.0/24;
192.168.0.0/16;
198.18.0.0/15;
198.51.100.0/24;
203.0.113.0/24;
224.0.0.0/3;
}
}

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