IF top shows a connection between my PC and

Hi all,
Okay, I’m worried. Why does my PC do that?

Maybe it’s your subnets gateway? does not seem to be “pingable” from the internet.

can you post output of “ip route”?

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well, my network is not in that range…it’s 192.168.x.x…that is weird…

hang on…

It’s this:

default via dev enp1s0 proto dhcp metric 100 dev enp1s0 proto kernel scope link src metric 100 

10.x.x.x is a private address range - it is often used by ISP - especially on celluar connections.

It may also be used when your connection is part of a larger private network - ISP network.

The ip may also be used by VirtualBox or VMware when creating the network interfaces for the guest and a guest system will operate on 10.x.x.x but the host will also see the 10. address

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okay, I’ll check with my ISP. Could be just that. Since I dont even “live” in that range, this struck me as strange…

Are you using docker?

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we could check “ip addr show”, there it should show all interfaces from docker or virtualbox

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no, not using docker. I noticed that the triad was, and
Now, as I called the ISP, they explained that the moden responds to either or, and is connected to itunes. Which…is weird, but possible…
and…I learned something again :smile_cat:
ip addr show:

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: enp1s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
    link/ether dd:dd:dd:dd:dd:dd brd ff:ff:ff:ff:ff:ff
    inet brd scope global dynamic noprefixroute enp1s0
       valid_lft 2879sec preferred_lft 2879sec
    inet6 2a02:a03f:877e:9a00:b8bc:56ee:ca56:e0a8/64 scope global dynamic noprefixroute 
       valid_lft 86393sec preferred_lft 71993sec
    inet6 fe80::e8a1:cf5:10a4:75fb/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever

(MAC is smudged…)

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Nothing weird. There can be multiple IPs on a single interface. And routers can also have multiple loopback addresses configured. If you access router via web, you can probably reach it via both IPs. are multicast addresses. .251 = mDNS.

Also to comment on “well, my network is not in that range…it’s 192.168.x.x…that is weird…”:
You constantly connect to other networks while you are on the internet for example. That’s the whole point of a router - it routes packets to other networks. =)

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