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Unread 28-09-2010, 12:59   #1
lechatmach
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Default (almost) all about ranges

ahah, I love this title ;-)

what's a range ?! it's just two IPs, an interval of two IPs (from and to). When you want to "scan", you scan a range of IPs.

There's more than 4 billons of IP addresses and for each, 65535 TCP ports. Let's suppose you know the port(s) you want to scan, there's still a range of 4 billions of IPs, behind each one a proxy could be hidden. arg.

So... The real challenge when you scan is to scan the good ranges. Depending of what you're looking for -quality or quantity- you won't choose the same ranges, and a good range for you might be bad for someone else.

in exemple, China ranges are well known because there's hundred of proxies. great, but ! everybody knows those ranges, and you'll never find a proxy that nobody else knows. second exemple, in France we have a very popular internet provider that uses static IPs (so the proxy lifetime is better :p) AND have a very huge bandwith. For french people finding proxies in france can be useful but it's not very good for anonymity, but this ISP could be very good for other europeean people.

If you want quality, you'll first have to investigate into the IPv4 adresses assignments. Take a look on the IANA website, you'll find the few organisations that manages IP addresses and the global adress space :
http://www.iana.org/numbers/
http://www.iana.org/assignments/ipv4...ress-space.xml
It's interesting because you'll quickly see that there's ranges you'll never scan : 25.0.0.0-25.255.255.255 (UK ministry of defense), 224.0.0.0-255.255.255.255 are used for multicast or are unassigned, etc etc.

Each of those organisations have a whois tool. It is very useful to find the range of an IP.

Let's suppose you tried a proxy with this the IP 82.241.55.109 and you'd like to try to find others on the same range because it works really fine. First, look at the network on the IANA website. In this case, I see it's the RIPE network. Ok, then I go on their website, and use the WHOIS tool to learn more about this IP and.. Here's what I have to scan : 82.241.52.0 - 82.241.55.255.

Hu.. this range containes 768 IPs it's not very much.. I WANT MORE !!

Let's see if we can't find something else ! The whois request also told me that the netname is "FR-PROXAD-ADSL", so maybe there's other IPs not in the same range but associated to the same provider. For that, I use the IP Index website : http://ipindex.homelinux.net/ (maybe it's not up-to-date, I don't know) : I key the netname into the search box, click the "go" button (it doesn't work if you press enter) and.. I got the list of all the ranges owned by this internet provider, now I know what I'll scan :)

Voila. I don't think I'll can tell you more about ranges !


lcm

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Unread 30-09-2010, 21:45   #2
chelsie11
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Default ok! thanks BUT..

im on the website the ripenetwork i found all the ranges... but i need the Ports to scan plz help?
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Unread 01-10-2010, 07:30   #3
lechatmach
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Default

hi

the port depends -most of the time- on the protocol.

if you're looking for socks, try those ports : 1080, 27977 (very common) and 17327, 14237, 25552, 29991, 17771, 14841, 14848, 12678

for http ones : 808, 8080, 6588, 9415, 8000, 7212, 3128..

lcm
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Unread 02-10-2010, 03:49   #4
chelsie11
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Default NICe

ok so pick a range and my warbot for bnet uses http/s4/s5 but i prefer http because not many people can flood/load on http proxies so they tend to be better then add a http port Ie. 808 8080 and try it?
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Unread 28-11-2010, 07:23   #5
anhyeuxa
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Nice post I have thought that range is strange things so far thanks for useful post
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Unread 31-10-2011, 18:23   #6
seek
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well here any one typed that what you do what like can be but no any one type here what is the steps of get make private socks5 use for voice tools well no problem
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Unread 05-08-2015, 08:39   #7
moham96
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great informations, thank you
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