Author Topic: What is 192.168.250.1?  (Read 10604 times)

Offline Radaghast

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Re: What is 192.168.250.1?
« Reply #30 on: May 04, 2012, 02:06:07 AM »
...Does the address begin with 202.154? YES. I have tried directly entering that IP into my browser, and it opens the configuration page of my router (similar to 192.168.1.1).

Thanks.

That, at least, confirms the WAN side of the router is not using a reserved address space. Have you tried connecting directly to:

192.168.250.1
192.168.251.1
192.168.252.1

If so, what happens?
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Offline brightness

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Re: What is 192.168.250.1?
« Reply #31 on: May 04, 2012, 02:14:13 AM »
That, at least, confirms the WAN side of the router is not using a reserved address space. Have you tried connecting directly to:

192.168.250.1
192.168.251.1
192.168.252.1

If so, what happens?

It takes a long time to load, and then a page appears saying the connection to the IP was interrupted.

Thanks.

Offline Radaghast

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Re: What is 192.168.250.1?
« Reply #32 on: May 04, 2012, 03:10:37 AM »
I'm not sure this will give me what I'd like but it's worth doing:

1. Open a command prompt and type the following:

a. arp -a > c:\arp.txt
b. route print > c:\route.txt
c. ping -a 192.168.250.1 > c:\ping150.txt
d. tracert 192.168.250.1 > c:\tracert150.txt

For c and d repeat using 151.1 and 152.1

Zip the files and attach to a post.
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Offline brightness

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Re: What is 192.168.250.1?
« Reply #33 on: May 04, 2012, 08:51:58 AM »
I'm not sure this will give me what I'd like but it's worth doing:

1. Open a command prompt and type the following:

a. arp -a > c:\arp.txt
b. route print > c:\route.txt
c. ping -a 192.168.250.1 > c:\ping150.txt
d. tracert 192.168.250.1 > c:\tracert150.txt

For c and d repeat using 151.1 and 152.1

Zip the files and attach to a post.

Here it is.

Offline Radaghast

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Re: What is 192.168.250.1?
« Reply #34 on: May 04, 2012, 05:45:43 PM »
As anticipated, it didn't tell me very much. Back to the router:

1. log on to your router
2. Open Advanced/Remote Management
3. make sure Telent is checked
4. Log on to the router using Telnet, as described earlier
5. type arp -a (post the results)
6. Type ifconfig (post the results)
7. In the router web interface open Maintenance/System Log
8. Post the results

If you want you can create a remote log.

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Offline brightness

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Re: What is 192.168.250.1?
« Reply #35 on: May 05, 2012, 02:21:33 AM »
As anticipated, it didn't tell me very much. Back to the router:

1. log on to your router
2. Open Advanced/Remote Management
3. make sure Telent is checked
4. Log on to the router using Telnet, as described earlier
5. type arp -a (post the results)
6. Type ifconfig (post the results)
7. In the router web interface open Maintenance/System Log
8. Post the results

If you want you can create a remote log.



Sorry I cant find the Advanced/Remote Management part.

Offline Radaghast

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Re: What is 192.168.250.1?
« Reply #36 on: May 05, 2012, 03:52:49 AM »
I guess you must have some old firmware or a different revision of the router... Have you looked under the other tabs?

http://www.dlink.com.au/tech/Download/download.aspx?product=DSL-2740B
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Offline brightness

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Re: What is 192.168.250.1?
« Reply #37 on: May 05, 2012, 04:20:04 AM »
I guess you must have some old firmware or a different revision of the router... Have you looked under the other tabs?

http://www.dlink.com.au/tech/Download/download.aspx?product=DSL-2740B

My router is Rev C3, I have looked through all tabs.

Offline Radaghast

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Re: What is 192.168.250.1?
« Reply #38 on: May 05, 2012, 04:42:09 AM »
My router is Rev C3, I have looked through all tabs.

I guess you could always update the firmware. Other than that, It's difficult to give any more suggestions. As far as I understand, you only see these log entries when using wireless, so unless your router is doing something odd in wireless mode, my best guess, they're coming from some neighbours network. With that in mind, unless someone else has any ideas, use a wired connection or block the connections without logging.

Actually, you could allow the connection once and as soon as it happens run arp -a from a command prompt. If it sees the connection, it will give you the MAC address...
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Offline brightness

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Re: What is 192.168.250.1?
« Reply #39 on: May 05, 2012, 08:30:56 AM »
I guess you could always update the firmware. Other than that, It's difficult to give any more suggestions. As far as I understand, you only see these log entries when using wireless, so unless your router is doing something odd in wireless mode, my best guess, they're coming from some neighbours network. With that in mind, unless someone else has any ideas, use a wired connection or block the connections without logging.

The firmware for my router is already the most up to date.

Actually, you could allow the connection once and as soon as it happens run arp -a from a command prompt. If it sees the connection, it will give you the MAC address...

The output (right after clicking on Allow) is the same as the one that I provided earlier in this thread. Ie:

Interface: 192.168.1.3 --- 0xa
  Internet Address      Physical Address      Type
  192.168.1.1           00-24-01-56-82-b0     dynamic
  192.168.1.255         ff-ff-ff-ff-ff-ff     static
  224.0.0.22            01-00-5e-00-00-16     static
  224.0.0.252           01-00-5e-00-00-fc     static
  239.255.255.250       01-00-5e-7f-ff-fa     static
  255.255.255.255       ff-ff-ff-ff-ff-ff     static

Thanks very much for your assistance and patience.

Offline Ronny

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Re: What is 192.168.250.1?
« Reply #40 on: May 06, 2012, 02:19:48 PM »
It probably won't turn up in the arp table as it's not on the same subnet as is configured for the interface.
AFAIK windows doesn't store stuff in the arp table if it's not from the same subnet belonging to that interface.

What you can do is make a network capture with Wireshark and see which MAC address is used to deliver the strange IP addresses.
If these frames are coming from the MAC address of you DLink it's almost certainly 'routed' trough it.
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