The following IP addresses should be blocked by your firewall, and you should watch your firewall for port sniffing by these IP addresses:

4.42.244.160-4.42.244.175:Federal Bureau of Investigation:
4.42.244.192-4.42.244.223:Federal Bureau of Investigation:
12.38.31.216-12.38.31.223:Federal Bureau of Investigation:
29.0.0.0-29.255.255.255:DoD Network Information Center:
61.88.128.38:Australian Federal Police (proxy server):
63.64.5.0-63.64.5.255:Cyveillance:
63.78.79.144-63.78.79.151:Police Protective Le UU-63-78-79-144:
63.100.163.0-63.100.163.255:CYVEILLANCE (unlisted):
63.100.235.128-63.100.235.191:Syntrillium Software:
63.127.255.0-63.127.255.255:Cyveillance:
63.148.99.224-63.148.99.255:Cyveillance:
63.163.104.32-63.163.104.47:Department of Homeland Security SPRINTLINK:
64.115.129.144-64.115.129.151:Internal Intelligence Service 973242S101-BDVU:
65.118.41.192-65.118.41.223:Cyveillance:
65.173.188.0-65.173.189.255:Federal Bureau of Investigation:
65.174.230.32-65.174.230.47:Federal Bureau of Investigation:
66.72.93.16-66.72.93.23:Police Intelligence Network SBCIS-101529-164145:
66.109.166.136-66.109.166.143:Office of Law Enforcement Tech. OLETCINCDSL:
66.109.166.144-66.109.166.151:Office of Law Enforcement Tech. OLETCINCCONREACH:
130.46.0.0-130.46.255.255:DoD Network Information Center:
130.109.0.0-130.109.255.255:DoD Network Information Center:
131.73.0.0-131.73.255.255:DoD Network Information Center:
131.80.0.0-131.80.255.255:DoD Network Information Center:
131.81.0.0-131.81.255.255:DoD Network Information Center:
131.83.0.0-131.83.255.255:DoD Network Information Center:
131.85.0.0-131.85.255.255:DoD Network Information Center:
131.88.0.0-131.88.255.255:DoD Network Information Center:
131.185.0.0-131.185.255.255:Australian Department of Defence DSTO:
131.240.0.0-131.240.255.255:DoD Network Information Center:
132.37.0.0-132.37.255.255:DoD Network Information Center:
132.39.0.0-132.39.255.255:DoD Network Information Center:
132.80.0.0-132.80.255.255:DoD Network Information Center:
132.81.0.0-132.81.255.255:DoD Network Information Center:
132.82.0.0-132.82.255.255:DoD Network Information Center:
132.83.0.0-132.83.255.255:DoD Network Information Center:
132.84.0.0-132.84.255.255:DoD Network Information Center:
132.85.0.0-132.85.255.255:DoD Network Information Center:
132.86.0.0-132.86.255.255:DoD Network Information Center:
132.87.0.0-132.87.255.255:DoD Network Information Center:
132.95.0.0-132.95.255.255:DoD Network Information Center:
132.96.0.0-132.96.255.255:DoD Network Information Center:
132.97.0.0-132.97.255.255:DoD Network Information Center:
132.98.0.0-132.98.255.255:DoD Network Information Center:
132.99.0.0-132.99.255.255:DoD Network Information Center:
132.100.0.0-132.100.255.255:DoD Network Information Center:
132.101.0.0-132.101.255.255:DoD Network Information Center:
132.102.0.0-132.102.255.255:DoD Network Information Center:
132.103.0.0-132.103.255.255:DoD Network Information Center:
132.133.0.0-132.133.255.255:DoD Network Information Center:
132.134.0.0-132.134.255.255:DoD Network Information Center:
132.135.0.0-132.135.255.255:DoD Network Information Center:
132.136.0.0-132.136.255.255:DoD Network Information Center:
132.137.0.0-132.137.255.255:DoD Network Information Center:
132.138.0.0-132.138.255.255:DoD Network Information Center:
132.139.0.0-132.139.255.255:DoD Network Information Center:
132.140.0.0-132.140.255.255:DoD Network Information Center:
132.141.0.0-132.141.255.255:DoD Network Information Center:
132.142.0.0-132.142.255.255:DoD Network Information Center:
132.143.0.0-132.143.255.255:DoD Network Information Center:
132.144.0.0-132.144.255.255:DoD Network Information Center:
134.194.0.0-134.194.255.255:DoD Network Information Center:
134.229.0.0-134.229.255.255:DoD Network Information Center:
134.230.0.0-134.230.255.255:DoD Network Information Center:
134.232.0.0-134.232.255.255:DoD Network Information Center:
134.254.0.0-134.254.255.255:DoD Network Information Center:
136.188.0.0-136.188.255.255:DoD Network Information Center:
136.189.0.0-136.189.255.255:DoD Network Information Center:
136.190.0.0-136.190.255.255:DoD Network Information Center:
136.191.0.0-136.191.255.255:DoD Network Information Center:
136.192.0.0-136.192.255.255:DoD Network Information Center:
136.193.0.0-136.193.255.255:DoD Network Information Center:
136.194.0.0-136.194.255.255:DoD Network Information Center:
136.195.0.0-136.195.255.255:DoD Network Information Center:
136.196.0.0-136.196.255.255:DoD Network Information Center:
136.197.0.0-136.197.255.255:DoD Network Information Center:
136.208.0.0-136.208.255.255:DoD Network Information Center:
136.211.0.0-136.211.255.255:DoD Network Information Center:
136.212.0.0-136.212.255.255:DoD Network Information Center:
136.213.0.0-136.213.255.255:DoD Network Information Center:
136.214.0.0-136.214.255.255:DoD Network Information Center:
136.222.0.0-136.222.255.255:DoD Network Information Center:
137.130.0.0-137.130.255.255:DoD Network Information Center:
137.191.0.0-137.191.255.255:Irish Department of Defense:
137.209.0.0-137.209.255.255:DoD Network Information Center:
137.210.0.0-137.210.255.255:DoD Network Information Center:
137.211.0.0-137.211.255.255:DoD Network Information Center:
137.212.0.0-137.212.255.255:DoD Network Information Center:
137.231.0.0-137.231.255.255:DoD Network Information Center:
137.232.0.0-137.232.255.255:DoD Network Information Center:
137.233.0.0-137.233.255.255:DoD Network Information Center:
137.234.0.0-137.234.255.255:DoD Network Information Center:
137.235.0.0-137.235.255.255:DoD Network Information Center:
137.246.0.0-137.246.255.255:DoD Network Information Center:
137.247.0.0-137.247.255.255:DoD Network Information Center:
138.60.0.0-138.60.255.255:DoD Network Information Center:
138.135.0.0-138.135.255.255:DoD Network Information Center:
138.136.0.0-138.136.255.255:DoD Network Information Center:
138.150.0.0-138.150.255.255:DoD Network Information Center:
138.151.0.0-138.151.255.255:DoD Network Information Center:
138.153.0.0-138.153.255.255:DoD Network Information Center:
138.159.0.0-138.159.255.255:DoD Network Information Center:
138.170.0.0-138.170.255.255:DoD Network Information Center:
139.77.0.0-139.77.255.255:DoD Network Information Center:
139.233.0.0-139.233.255.255:DoD Network Information Center:
139.234.0.0-139.234.255.255:DoD Network Information Center:
139.235.0.0-139.235.255.255:DoD Network Information Center:
139.236.0.0-139.236.255.255:DoD Network Information Center:
139.237.0.0-139.237.255.255:DoD Network Information Center:
139.238.0.0-139.238.255.255:DoD Network Information Center:
139.239.0.0-139.239.255.255:DoD Network Information Center:
139.240.0.0-139.240.255.255:DoD Network Information Center:
139.241.0.0-139.241.255.255:DoD Network Information Center:
139.242.0.0-139.242.255.255:DoD Network Information Center:
139.243.0.0-139.243.255.255:DoD Network Information Center:
139.244.0.0-139.244.255.255:DoD Network Information Center:
139.245.0.0-139.245.255.255:DoD Network Information Center:
139.246.0.0-139.246.255.255:DoD Network Information Center:
139.247.0.0-139.247.255.255:DoD Network Information Center:
139.248.0.0-139.248.255.255:DoD Network Information Center:
139.249.0.0-139.249.255.255:DoD Network Information Center:
139.250.0.0-139.250.255.255:DoD Network Information Center:
139.251.0.0-139.251.255.255:DoD Network Information Center:
139.252.0.0-139.252.255.255:DoD Network Information Center:
139.253.0.0-139.253.255.255:DoD Network Information Center:
139.254.0.0-139.254.255.255:DoD Network Information Center:
140.1.0.0-140.1.255.255:DoD Network Information Center:
140.2.0.0-140.2.255.255:DoD Network Information Center:
140.3.0.0-140.3.255.255:DoD Network Information Center:
140.4.0.0-140.4.255.255:DoD Network Information Center:
140.5.0.0-140.5.255.255:DoD Network Information Center:
140.6.0.0-140.6.255.255:DoD Network Information Center:
140.7.0.0-140.7.255.255:DoD Network Information Center:
140.8.0.0-140.8.255.255:DoD Network Information Center:
140.9.0.0-140.9.255.255:DoD Network Information Center:
140.10.0.0-140.10.255.255:DoD Network Information Center:
140.11.0.0-140.11.255.255:DoD Network Information Center:
140.12.0.0-140.12.255.255:DoD Network Information Center:
140.13.0.0-140.13.255.255:DoD Network Information Center:
140.15.0.0-140.15.255.255:DoD Network Information Center:
140.16.0.0-140.16.255.255:DoD Network Information Center:
140.17.0.0-140.17.255.255:DoD Network Information Center:
140.18.0.0-140.18.255.255:DoD Network Information Center:
140.19.0.0-140.19.255.255:DoD Network Information Center:
140.20.0.0-140.20.255.255:DoD Network Information Center:
140.21.0.0-140.21.255.255:DoD Network Information Center:
140.22.0.0-140.22.255.255:DoD Network Information Center:
140.23.0.0-140.23.255.255:DoD Network Information Center:
140.24.0.0-140.24.255.255:DoD Network Information Center:
140.25.0.0-140.25.255.255:DoD Network Information Center:
140.26.0.0-140.26.255.255:DoD Network Information Center:
140.27.0.0-140.27.255.255:DoD Network Information Center:
140.28.0.0-140.28.255.255:DoD Network Information Center:
140.29.0.0-140.29.255.255:DoD Network Information Center:
140.30.0.0-140.30.255.255:DoD Network Information Center:
140.31.0.0-140.31.255.255:DoD Network Information Center:
140.32.0.0-140.32.255.255:DoD Network Information Center:
140.33.0.0-140.33.255.255:DoD Network Information Center:
140.34.0.0-140.34.255.255:DoD Network Information Center:
140.35.0.0-140.35.255.255:DoD Network Information Center:
140.36.0.0-140.36.255.255:DoD Network Information Center:
140.37.0.0-140.37.255.255:DoD Network Information Center:
140.38.0.0-140.38.255.255:DoD Network Information Center:
140.39.0.0-140.39.255.255:DoD Network Information Center:
140.40.0.0-140.40.255.255:DoD Network Information Center:
140.41.0.0-140.41.255.255:DoD Network Information Center:
140.42.0.0-140.42.255.255:DoD Network Information Center:
140.44.0.0-140.44.255.255:DoD Network Information Center:
140.45.0.0-140.45.255.255:DoD Network Information Center:
140.46.0.0-140.46.255.255:DoD Network Information Center:
140.47.0.0-140.47.255.255:DoD Network Information Center:
140.48.0.0-140.48.255.255:DoD Network Information Center:
140.49.0.0-140.49.255.255:DoD Network Information Center:
140.50.0.0-140.50.255.255:DoD Network Information Center:
140.51.0.0-140.51.255.255:DoD Network Information Center:
140.52.0.0-140.52.255.255:DoD Network Information Center:
140.53.0.0-140.53.255.255:DoD Network Information Center:
140.54.0.0-140.54.255.255:DoD Network Information Center:
140.55.0.0-140.55.255.255:DoD Network Information Center:
140.56.0.0-140.56.255.255:DoD Network Information Center:
140.57.0.0-140.57.255.255:DoD Network Information Center:
140.58.0.0-140.58.255.255:DoD Network Information Center:
140.59.0.0-140.59.255.255:DoD Network Information Center:
140.60.0.0-140.60.255.255:DoD Network Information Center:
140.61.0.0-140.61.255.255:DoD Network Information Center:
140.62.0.0-140.62.255.255:DoD Network Information Center:
140.63.0.0-140.63.255.255:DoD Network Information Center:
140.64.0.0-140.64.255.255:DoD Network Information Center:
140.65.0.0-140.65.255.255:DoD Network Information Center:
140.66.0.0-140.66.255.255:DoD Network Information Center:
140.67.0.0-140.67.255.255:DoD Network Information Center:
140.68.0.0-140.68.255.255:DoD Network Information Center:
140.69.0.0-140.69.255.255:DoD Network Information Center:
140.70.0.0-140.70.255.255:DoD Network Information Center:
140.71.0.0-140.71.255.255:DoD Network Information Center:
140.72.0.0-140.72.255.255:DoD Network Information Center:
140.73.0.0-140.73.255.255:DoD Network Information Center:
140.74.0.0-140.74.255.255:DoD Network Information Center:
140.194.0.0-140.194.255.255:DoD Network Information Center:
140.199.0.0-140.199.255.255:DoD Network Information Center:
146.221.0.0-146.221.255.255:Australian Department of Defence DOD-AU:
147.186.0.0-147.186.255.255:[se] police:
149.101.0.0-149.101.255.255:US Department of Justice:
152.91.0.0-152.91.255.255:claims to be an Australian government dept that no longer exists, associated with 90East.com, an Internet security site:
153.31.0.0-153.31.255.255:Federal Bureau of Investigation-CJIS:
160.64.0.0-160.64.255.255:Australian Department of Defence DSTOMEL1:
162.23.0.0-162.23.255.255:Swiss Federal Government, Swiss Federal Office of Information Technology and Systems, Bundesamt fur Informatik:
162.45.0.0-162.45.255.255:Central Intelligence Agency CIA:
164.112.0.0-164.112.255.255:Queensland Police Service:
164.128.37.17-164.128.223.145:Police of Switzerland:
164.141.0.0-164.141.255.255:Police Administration in Finland:
165.142.0.0-165.142.255.255:Department of Justice AUVICDJUST:
165.187.0.0-165.187.255.255:Western Australian Police Department WAPOL:
166.64.0.0-166.64.255.255:New South Wales Police Service NSWPOLICE:
168.152.0.0-168.152.255.255:Australian Federal Police AFP-AU-B1:
192.58.200.0-192.58.203.255:Department of Justice GOVDOJBLS01:
192.84.170.0-192.84.170.255:Federal Bureau of Investigation:
192.190.61.0-192.190.61.255:Tasmania Police Department TASPOL:
192.190.66.0-192.190.66.255:Australian Institute of Criminology AIC:
192.251.207.0-192.251.207.255:Australian Army Support Agency SYS-SPT-ARMY:
193.77.9.0-193.77.9.255:Hacker from Slovenia:
193.121.83.1-193.121.83.255:Federale politie - Police federale (BELGIUM):
193.172.176.0-193.172.177.255:Dutch Government:
193.191.209.192-193.191.209.207:Belgium Federal Government:
193.252.72.142:French Department of Defense:
193.252.228.0-193.252.228.255:Prefecture de police de Paris:
194.89.205.0-194.89.205.255:Finnish Police:
195.46.218.178:French Military Police:
195.76.172.0-195.76.172.255:Direccion General de la Policia (SPAIN):
195.76.204.0-195.76.204.255:Ministerio del Interior (Spain):
195.162.203.0-195.162.203.7:Politie-Belgium (Federal Computer Crime Unit):
198.61.8.0-198.61.15.255:Tasmania Police Department NETBLK-TASPOL:
198.137.240.0-198.137.241.255:Executive Office Of The President USA:
198.165.21.64-198.165.21.79:Department of Justice GT-198-165-21-64-CX:
198.190.209.0-198.190.209.255:Federal Bureau of Investigation:
199.75.96.0-199.75.107.255:Organization of American States (www.ftaa-alca.org):
199.123.80.0-199.123.80.255:US Army Criminal Investigation Command ACIRS-DEV:
199.212.192.0-199.212.216.255:Department of Justice DOJ-GC-CA:
199.227.159.64-199.227.159.95:Epic EPIC-200309091608751 (NET-199-227-159-64-1):
203.25.230.0-203.25.231.255:Victoria Police Centre:
204.75.224.0-204.75.224.255:Office of the Sheriff, Rusk County, Texas:
204.91.138.0-204.91.138.255:EPIC EPIC2-NET (NET-204-91-138-0-1):
205.128.1.240-205.128.1.255:Office of the Inspector General OIG-1-05:
205.229.233.0-205.229.233.255:Federal Bureau of Investigation:
206.212.128.0-206.212.191.255:New York City Police Department NYPD-GOV:
206.218.64.0-206.218.127.255:Office of the Attorney General, State of Texas:
206.241.30.0-206.241.31.255:US Customs:
207.43.55.0-207.43.55.255:Federal Bureau of Investigation:
207.132.172.0-207.132.175.255:Office of the Judge Advocate General, US Navy:
207.132.176.0-207.132.191.255:Office of the Judge Advocate General, US Navy:
207.155.128.0-207.155.255.255:NetPD:
212.31.111.172-212.31.111.175:Cyprus Police:
214.0.0.0-214.255.255.255:DoD Network Information Center:
215.0.0.0-215.255.255.255:DoD Network Information Center (More):
216.118.66.0-216.118.66.255:Brussel politie - Police bruxelles:
216.146.85.224-216.146.85.255:Federal Bureau of Investigation:
217.167.182.1-217.167.182.255:French Department of Defense: