Bogon Bit Notation List v4.0 25 JAN 2008

By Rob Thomas, noc at cymru.com

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Meet the Bogons

[ 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
1.0.0.0/8
2.0.0.0/8
5.0.0.0/8
10.0.0.0/8
14.0.0.0/8
23.0.0.0/8
27.0.0.0/8
31.0.0.0/8
36.0.0.0/8
37.0.0.0/8
39.0.0.0/8
42.0.0.0/8
46.0.0.0/8
49.0.0.0/8
50.0.0.0/8
100.0.0.0/8
101.0.0.0/8
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
107.0.0.0/8
108.0.0.0/8
109.0.0.0/8
110.0.0.0/8
111.0.0.0/8
112.0.0.0/8
113.0.0.0/8
127.0.0.0/8
169.254.0.0/16
172.16.0.0/12
175.0.0.0/8
176.0.0.0/8
177.0.0.0/8
178.0.0.0/8
179.0.0.0/8
180.0.0.0/8
181.0.0.0/8
182.0.0.0/8
183.0.0.0/8
184.0.0.0/8
185.0.0.0/8
192.0.2.0/24
192.168.0.0/16
197.0.0.0/8
198.18.0.0/15
223.0.0.0/8
224.0.0.0/3

Bit Notation Aggregated

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

0.0.0.0/7
2.0.0.0/8
5.0.0.0/8
10.0.0.0/8
14.0.0.0/8
23.0.0.0/8
27.0.0.0/8
31.0.0.0/8
36.0.0.0/7
39.0.0.0/8
42.0.0.0/8
46.0.0.0/8
49.0.0.0/8
50.0.0.0/8
100.0.0.0/6
104.0.0.0/5
112.0.0.0/7
127.0.0.0/8
169.254.0.0/16
172.16.0.0/12
175.0.0.0/8
176.0.0.0/5
184.0.0.0/7
192.0.2.0/24
192.168.0.0/16
197.0.0.0/8
198.18.0.0/15
223.0.0.0/8
224.0.0.0/3

Juniper prefix-list Non-aggregated

policy-options {
prefix-list bogons {
0.0.0.0/8;
1.0.0.0/8;
2.0.0.0/8;
5.0.0.0/8;
10.0.0.0/8;
14.0.0.0/8;
23.0.0.0/8;
27.0.0.0/8;
31.0.0.0/8;
36.0.0.0/8;
37.0.0.0/8;
39.0.0.0/8;
42.0.0.0/8;
46.0.0.0/8;
49.0.0.0/8;
50.0.0.0/8;
100.0.0.0/8;
101.0.0.0/8;
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;
107.0.0.0/8;
108.0.0.0/8;
109.0.0.0/8;
110.0.0.0/8;
111.0.0.0/8;
112.0.0.0/8;
113.0.0.0/8;
127.0.0.0/8;
169.254.0.0/16;
172.16.0.0/12;
175.0.0.0/8;
176.0.0.0/8;
177.0.0.0/8;
178.0.0.0/8;
179.0.0.0/8;
180.0.0.0/8;
181.0.0.0/8;
182.0.0.0/8;
183.0.0.0/8;
184.0.0.0/8;
185.0.0.0/8;
192.0.2.0/24;
192.168.0.0/16;
197.0.0.0/8;
198.18.0.0/15;
223.0.0.0/8;
224.0.0.0/3;
}
}

Juniper prefix-list Aggregated

policy-options {
prefix-list bogons {
0.0.0.0/7;
2.0.0.0/8;
5.0.0.0/8;
10.0.0.0/8;
14.0.0.0/8;
23.0.0.0/8;
27.0.0.0/8;
31.0.0.0/8;
36.0.0.0/7;
39.0.0.0/8;
42.0.0.0/8;
46.0.0.0/8;
49.0.0.0/8;
50.0.0.0/8;
100.0.0.0/6;
104.0.0.0/5;
112.0.0.0/7;
127.0.0.0/8;
169.254.0.0/16;
172.16.0.0/12;
175.0.0.0/8;
176.0.0.0/5;
184.0.0.0/7;
192.0.2.0/24;
192.168.0.0/16;
197.0.0.0/8;
198.18.0.0/15;
223.0.0.0/8;
224.0.0.0/3;
}
}

[ Back to the Bogon List ]       [ Documents ]       [ Home ]

Rob Thomas, noc at cymru.com, http://www.cymru.com