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I want to use a raspberry pi as a web server. For this I need my public IP address. When I ask google what is my ip, I get:

3b01:302:kr18:9847:b40c:mn93:4567:3d91

NOTE: only the shape of my actual IP address is above, I have changed every digit and letter, so there is no need to worry about that. Does anyone know what this is? I also cannot access my pi (even though I did port forwarding on my router).

Also here is the ipv6tables readout:

pi@pi-desktop:~$ sudo ip6tables -L -v -n
Chain INPUT (policy ACCEPT 0 packets, 0 bytes)
pkts bytes target     prot opt in     out     source                  destination         

Chain FORWARD (policy ACCEPT 0 packets, 0 bytes)
pkts bytes target     prot opt in     out     source               destination         

Chain OUTPUT (policy ACCEPT 0 packets, 0 bytes)
pkts bytes target     prot opt in     out     source               destination

EDIT: If I use whatismyip.com I can also see that the ip information section shows the server of my ISP, in a city far away from where I live.

I also looked here: http://www.yougetsignal.com/tools/open-ports/ and it seems that all my ports are closed and there is no option in the router's menu to open them. This site also gives me a normal ipv4 address.

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  • How exactly did you ask google for your IP address? Try something like ifconfig.me or whatismyip.com.
    – roadmr
    Dec 4, 2015 at 20:49
  • You just type into the google search bar "what is my ip". ifconfig.me does not seem to work, whatismyip.com gives the exact 31 character sequence that google gives.
    – Qubix
    Dec 5, 2015 at 12:16
  • OK, I see why: "leading zeroes" can be omitted, so "...:0302:..." can show as "...:302:..." thus making the address appear shorter.
    – roadmr
    Dec 10, 2015 at 15:20

1 Answer 1

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Looks like an IPv6 IP address. Ubuntu supports IPv6 by default so that should be no problem.

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  • But why can't I connect from outside my LAN? I did log into my router and forwarded to my raspi's local ip, so it should normally work. It just says network unreachable.
    – Qubix
    Dec 3, 2015 at 19:12
  • It looks like an IPv6 address but it's not: 3b01:302:kr18:9847:b40c:mn93:4567:3d91 it has letters that are invalid for hexadecimal digits and the length (not counting the colons) is 31 digits, not 32 as an IPv6 address should have.
    – roadmr
    Dec 4, 2015 at 20:49
  • @roadmr: In the question Qubix wrote he/she "changed every digit and letter". Most likely he accidentally removed one, too.
    – Florian Diesch
    Dec 4, 2015 at 21:09
  • I missed that :) sorry.
    – roadmr
    Dec 4, 2015 at 21:10
  • Actually, the correct ip address I get if I just type in google "what is my ip" also has 31 digits (not counting the colons). How can this be? Also, if I do this from the raspi, google gives me a different ipv6 address as the one I get from my laptop, even though they are both connected to the same router.
    – Qubix
    Dec 5, 2015 at 12:11

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