IP Addresses & Network Reservations For Firewall & IDS Filtration

Tired of being attacked by foreign countries? Here is some useful network assignment information so you can configure your IDS and Firewall against them. Simply block ANY and ALL traffic from network ranges to be safe! Be careful not to block your own neighborhood, unless you really mean to. The list is not complete, but I’ll add updates as I find them.

1.0.0.0/8: Reserved by IANA
2.0.0.0/8: Reserved by IANA
3.0.0.0/8: General Electric Company
4.0.0.0/8: Level 3 Communications
5.0.0.0/8: Reserved by IANA
6.0.0.0/8: U.S. Army Information Systems Engineering Command
7.0.0.0/8: U.S. Department of Defense
8.0.0.0/8: Level 3 Communications
9.0.0.0/8: IBM Corporation
10.0.0.0/8: Reserved by IANA
11.0.0.0/8: U.S. Department of Defense
12.0.0.0/8: AT&T
13.0.0.0/8: Xerox Corporation
14.0.0.0/8: Reserved by IANA
15.0.0.0/8: Hewlett-Packard Company
16.0.0.0/8: Hewlett-Packard Company
17.0.0.0/8: Apple Computer
18.0.0.0/8: Massachusetts Institute of Technology
19.0.0.0/8: Ford Motor Company
20.0.0.0/8: Computer Sciences Corporation
21.0.0.0/8: U.S. Department of Defense
22.0.0.0/8: U.S. Department of Defense
23.0.0.0/8: Reserved by IANA
24.0.0.0/8: Comcast Cable Communications
25.0.0.0/8: Royal Signals and Radar Establishment (UK)
26.0.0.0/8: U.S. Department of Defense
27.0.0.0/8: Reserved by IANA
28.0.0.0/8: U.S. Department of Defense
29.0.0.0/8: U.S. Department of Defense
30.0.0.0/8: U.S. Department of Defense
31.0.0.0/8: Reserved by IANA
32.0.0.0/8: AT&T
33.0.0.0/8: U.S. Department of Defense
34.0.0.0/8: Haliburton Company
35.0.0.0/8: Merit Network Inc.
36.0.0.0/8: Reserved by IANA
37.0.0.0/8: Reserved by IANA
38.0.0.0/8: PSINet, Inc.
39.0.0.0/8: Reserved by IANA
40.0.0.0/8: Eli Lilly and Company
41.0.0.0/8: Assigned to Africa, allocated by African Network Information Center
42.0.0.0/8: Reserved by IANA
43.0.0.0/8: Assigned to Japan; allocated by Asia Pacific Network Information Center
44.0.0.0/8: Amateur Radio Digital Communications
45.0.0.0/8: Interop Show Network
46.0.0.0/8: Reserved by IANA
47.0.0.0/8: Bell-Northern Research
48.0.0.0/8: The Prudential Insurance Company of America
49.0.0.0/8: Reserved by IANA
50.0.0.0/8: Reserved by IANA
51.0.0.0/8: UK Government Department for Work and Pensions
52.0.0.0/8: E.I. du Pont de Nemours and Co., Inc.
53.0.0.0/8: cap debis ccs (Germany)
54.0.0.0/8: Merck and Co., Inc.
55.0.0.0/8: U.S. Army Information Systems Engineering Command
56.0.0.0/8: United States Postal Service
57.0.0.0/8: Societe Internationale de Telecommunications Aeronautiques (France)
58.0.0.0/8: Assigned to Asia; allocated by Asia Pacific Network Information Center
59.0.0.0/8: Assigned to Asia; allocated by Asia Pacific Network Information Center
60.0.0.0/8: Assigned to Asia; allocated by Asia Pacific Network Information Center
61.0.0.0/8: Assigned to Asia; allocated by Asia Pacific Network Information Center
62.0.0.0/8: Assigned to Europe; allocated by European Registry

Asian Pacific Networks to Filter Against:

58.0.0.0/8
59.0.0.0/8
60.0.0.0/8
61.0.0.0/8
110.0.0.0/8
111.0.0.0/8
112.0.0.0/8
113.0.0.0/8
114.0.0.0/8
115.0.0.0/8
116.0.0.0/8
117.0.0.0/8
118.0.0.0/8
119.0.0.0/8
120.0.0.0/8
121.0.0.0/8
122.0.0.0/8
123.0.0.0/8
124.0.0.0/8
125.0.0.0/8
126.0.0.0/8
169.208.0.0/12
175.0.0.0/8
180.0.0.0/8
182.0.0.0/8
183.0.0.0/8
202.0.0.0/8
203.0.0.0/8
210.0.0.0/8
211.0.0.0/8
218.0.0.0/8
219.0.0.0/8
220.0.0.0/8
221.0.0.0/8
222.0.0.0/8

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